diff --git a/tempest/services/baremetal/base.py b/tempest/services/baremetal/base.py
index 2ac3fb2..004c0de 100644
--- a/tempest/services/baremetal/base.py
+++ b/tempest/services/baremetal/base.py
@@ -40,10 +40,7 @@
 
 
 class BaremetalClient(service_client.ServiceClient):
-    """
-    Base Tempest REST client for Ironic API.
-
-    """
+    """Base Tempest REST client for Ironic API."""
 
     uri_prefix = ''
 
@@ -58,8 +55,7 @@
         return json.loads(object_str)
 
     def _get_uri(self, resource_name, uuid=None, permanent=False):
-        """
-        Get URI for a specific resource or object.
+        """Get URI for a specific resource or object.
 
         :param resource_name: The name of the REST resource, e.g., 'nodes'.
         :param uuid: The unique identifier of an object in UUID format.
@@ -73,8 +69,7 @@
                                            uuid='/%s' % uuid if uuid else '')
 
     def _make_patch(self, allowed_attributes, **kw):
-        """
-        Create a JSON patch according to RFC 6902.
+        """Create a JSON patch according to RFC 6902.
 
         :param allowed_attributes: An iterable object that contains a set of
             allowed attributes for an object.
@@ -103,8 +98,7 @@
         return patch
 
     def _list_request(self, resource, permanent=False, **kwargs):
-        """
-        Get the list of objects of the specified type.
+        """Get the list of objects of the specified type.
 
         :param resource: The name of the REST resource, e.g., 'nodes'.
         "param **kw: Parameters for the request.
@@ -122,8 +116,7 @@
         return resp, self.deserialize(body)
 
     def _show_request(self, resource, uuid, permanent=False, **kwargs):
-        """
-        Gets a specific object of the specified type.
+        """Gets a specific object of the specified type.
 
         :param uuid: Unique identifier of the object in UUID format.
         :return: Serialized object as a dictionary.
@@ -139,8 +132,7 @@
         return resp, self.deserialize(body)
 
     def _create_request(self, resource, object_dict):
-        """
-        Create an object of the specified type.
+        """Create an object of the specified type.
 
         :param resource: The name of the REST resource, e.g., 'nodes'.
         :param object_dict: A Python dict that represents an object of the
@@ -158,8 +150,7 @@
         return resp, self.deserialize(body)
 
     def _delete_request(self, resource, uuid):
-        """
-        Delete specified object.
+        """Delete specified object.
 
         :param resource: The name of the REST resource, e.g., 'nodes'.
         :param uuid: The unique identifier of an object in UUID format.
@@ -173,8 +164,7 @@
         return resp, body
 
     def _patch_request(self, resource, uuid, patch_object):
-        """
-        Update specified object with JSON-patch.
+        """Update specified object with JSON-patch.
 
         :param resource: The name of the REST resource, e.g., 'nodes'.
         :param uuid: The unique identifier of an object in UUID format.
@@ -197,8 +187,7 @@
 
     @handle_errors
     def get_version_description(self, version='v1'):
-        """
-        Retrieves the desctription of the API.
+        """Retrieves the desctription of the API.
 
         :param version: The version of the API. Default: 'v1'.
         :return: Serialized description of API resources.
@@ -207,10 +196,7 @@
         return self._list_request(version, permanent=True)
 
     def _put_request(self, resource, put_object):
-        """
-        Update specified object with JSON-patch.
-
-        """
+        """Update specified object with JSON-patch."""
         uri = self._get_uri(resource)
         put_body = json.dumps(put_object)
 
diff --git a/tempest/services/baremetal/v1/json/baremetal_client.py b/tempest/services/baremetal/v1/json/baremetal_client.py
index 479402a..f24ef68 100644
--- a/tempest/services/baremetal/v1/json/baremetal_client.py
+++ b/tempest/services/baremetal/v1/json/baremetal_client.py
@@ -14,9 +14,7 @@
 
 
 class BaremetalClient(base.BaremetalClient):
-    """
-    Base Tempest REST client for Ironic API v1.
-    """
+    """Base Tempest REST client for Ironic API v1."""
     version = '1'
     uri_prefix = 'v1'
 
@@ -62,8 +60,7 @@
 
     @base.handle_errors
     def show_node(self, uuid):
-        """
-        Gets a specific node.
+        """Gets a specific node.
 
         :param uuid: Unique identifier of the node in UUID format.
         :return: Serialized node as a dictionary.
@@ -73,8 +70,7 @@
 
     @base.handle_errors
     def show_node_by_instance_uuid(self, instance_uuid):
-        """
-        Gets a node associated with given instance uuid.
+        """Gets a node associated with given instance uuid.
 
         :param uuid: Unique identifier of the node in UUID format.
         :return: Serialized node as a dictionary.
@@ -88,8 +84,7 @@
 
     @base.handle_errors
     def show_chassis(self, uuid):
-        """
-        Gets a specific chassis.
+        """Gets a specific chassis.
 
         :param uuid: Unique identifier of the chassis in UUID format.
         :return: Serialized chassis as a dictionary.
@@ -99,8 +94,7 @@
 
     @base.handle_errors
     def show_port(self, uuid):
-        """
-        Gets a specific port.
+        """Gets a specific port.
 
         :param uuid: Unique identifier of the port in UUID format.
         :return: Serialized port as a dictionary.
@@ -110,8 +104,7 @@
 
     @base.handle_errors
     def show_port_by_address(self, address):
-        """
-        Gets a specific port by address.
+        """Gets a specific port by address.
 
         :param address: MAC address of the port.
         :return: Serialized port as a dictionary.
@@ -122,8 +115,7 @@
         return self._show_request('ports', uuid=None, uri=uri)
 
     def show_driver(self, driver_name):
-        """
-        Gets a specific driver.
+        """Gets a specific driver.
 
         :param driver_name: Name of driver.
         :return: Serialized driver as a dictionary.
@@ -132,8 +124,7 @@
 
     @base.handle_errors
     def create_node(self, chassis_id=None, **kwargs):
-        """
-        Create a baremetal node with the specified parameters.
+        """Create a baremetal node with the specified parameters.
 
         :param cpu_arch: CPU architecture of the node. Default: x86_64.
         :param cpus: Number of CPUs. Default: 8.
@@ -154,8 +145,7 @@
 
     @base.handle_errors
     def create_chassis(self, **kwargs):
-        """
-        Create a chassis with the specified parameters.
+        """Create a chassis with the specified parameters.
 
         :param description: The description of the chassis.
             Default: test-chassis
@@ -168,8 +158,7 @@
 
     @base.handle_errors
     def create_port(self, node_id, **kwargs):
-        """
-        Create a port with the specified parameters.
+        """Create a port with the specified parameters.
 
         :param node_id: The ID of the node which owns the port.
         :param address: MAC address of the port.
@@ -191,8 +180,7 @@
 
     @base.handle_errors
     def delete_node(self, uuid):
-        """
-        Deletes a node having the specified UUID.
+        """Deletes a node having the specified UUID.
 
         :param uuid: The unique identifier of the node.
         :return: A tuple with the server response and the response body.
@@ -202,8 +190,7 @@
 
     @base.handle_errors
     def delete_chassis(self, uuid):
-        """
-        Deletes a chassis having the specified UUID.
+        """Deletes a chassis having the specified UUID.
 
         :param uuid: The unique identifier of the chassis.
         :return: A tuple with the server response and the response body.
@@ -213,8 +200,7 @@
 
     @base.handle_errors
     def delete_port(self, uuid):
-        """
-        Deletes a port having the specified UUID.
+        """Deletes a port having the specified UUID.
 
         :param uuid: The unique identifier of the port.
         :return: A tuple with the server response and the response body.
@@ -224,8 +210,7 @@
 
     @base.handle_errors
     def update_node(self, uuid, **kwargs):
-        """
-        Update the specified node.
+        """Update the specified node.
 
         :param uuid: The unique identifier of the node.
         :return: A tuple with the server response and the updated node.
@@ -244,8 +229,7 @@
 
     @base.handle_errors
     def update_chassis(self, uuid, **kwargs):
-        """
-        Update the specified chassis.
+        """Update the specified chassis.
 
         :param uuid: The unique identifier of the chassis.
         :return: A tuple with the server response and the updated chassis.
@@ -258,8 +242,7 @@
 
     @base.handle_errors
     def update_port(self, uuid, patch):
-        """
-        Update the specified port.
+        """Update the specified port.
 
         :param uuid: The unique identifier of the port.
         :param patch: List of dicts representing json patches.
@@ -271,8 +254,7 @@
 
     @base.handle_errors
     def set_node_power_state(self, node_uuid, state):
-        """
-        Set power state of the specified node.
+        """Set power state of the specified node.
 
         :param node_uuid: The unique identifier of the node.
         :state: desired state to set (on/off/reboot).
@@ -284,8 +266,7 @@
 
     @base.handle_errors
     def validate_driver_interface(self, node_uuid):
-        """
-        Get all driver interfaces of a specific node.
+        """Get all driver interfaces of a specific node.
 
         :param uuid: Unique identifier of the node in UUID format.
 
@@ -300,8 +281,7 @@
 
     @base.handle_errors
     def set_node_boot_device(self, node_uuid, boot_device, persistent=False):
-        """
-        Set the boot device of the specified node.
+        """Set the boot device of the specified node.
 
         :param node_uuid: The unique identifier of the node.
         :param boot_device: The boot device name.
@@ -318,8 +298,7 @@
 
     @base.handle_errors
     def get_node_boot_device(self, node_uuid):
-        """
-        Get the current boot device of the specified node.
+        """Get the current boot device of the specified node.
 
         :param node_uuid: The unique identifier of the node.
 
@@ -331,8 +310,7 @@
 
     @base.handle_errors
     def get_node_supported_boot_devices(self, node_uuid):
-        """
-        Get the supported boot devices of the specified node.
+        """Get the supported boot devices of the specified node.
 
         :param node_uuid: The unique identifier of the node.
 
@@ -344,8 +322,7 @@
 
     @base.handle_errors
     def get_console(self, node_uuid):
-        """
-        Get connection information about the console.
+        """Get connection information about the console.
 
         :param node_uuid: Unique identifier of the node in UUID format.
 
@@ -357,8 +334,7 @@
 
     @base.handle_errors
     def set_console_mode(self, node_uuid, enabled):
-        """
-        Start and stop the node console.
+        """Start and stop the node console.
 
         :param node_uuid: Unique identifier of the node in UUID format.
         :param enabled: Boolean value; whether to enable or disable the
diff --git a/tempest/services/botoclients.py b/tempest/services/botoclients.py
index bedb9ec..e117719 100644
--- a/tempest/services/botoclients.py
+++ b/tempest/services/botoclients.py
@@ -88,8 +88,8 @@
         return self.connect_method(**self.connection_data)
 
     def get_aws_credentials(self, identity_client):
-        """
-        Obtain existing, or create new AWS credentials
+        """Obtain existing, or create new AWS credentials
+
         :param identity_client: identity client with embedded credentials
         :return: EC2 credentials
         """
diff --git a/tempest/services/compute/json/servers_client.py b/tempest/services/compute/json/servers_client.py
index e54cfe4..90b7a2d 100644
--- a/tempest/services/compute/json/servers_client.py
+++ b/tempest/services/compute/json/servers_client.py
@@ -160,8 +160,8 @@
         return service_client.ResponseBody(resp, body)
 
     def delete_password(self, server_id):
-        """
-        Removes the encrypted server password from the metadata server
+        """Removes the encrypted server password from the metadata server
+
         Note that this does not actually change the instance server
         password.
         """
@@ -177,6 +177,7 @@
 
     def rebuild_server(self, server_id, image_ref, **kwargs):
         """Rebuilds a server with a new image.
+
         Most parameters except the following are passed to the API without
         any changes.
         :param disk_config: The name is changed to OS-DCF:diskConfig
@@ -193,6 +194,7 @@
 
     def resize_server(self, server_id, flavor_ref, **kwargs):
         """Changes the flavor of a server.
+
         Most parameters except the following are passed to the API without
         any changes.
         :param disk_config: The name is changed to OS-DCF:diskConfig
@@ -368,9 +370,7 @@
                            **kwargs)
 
     def list_virtual_interfaces(self, server_id):
-        """
-        List the virtual interfaces used in an instance.
-        """
+        """List the virtual interfaces used in an instance."""
         resp, body = self.get('/'.join(['servers', server_id,
                               'os-virtual-interfaces']))
         body = json.loads(body)
diff --git a/tempest/services/data_processing/v1_1/data_processing_client.py b/tempest/services/data_processing/v1_1/data_processing_client.py
index cba4c42..5aa2622 100644
--- a/tempest/services/data_processing/v1_1/data_processing_client.py
+++ b/tempest/services/data_processing/v1_1/data_processing_client.py
@@ -20,8 +20,7 @@
 class DataProcessingClient(service_client.ServiceClient):
 
     def _request_and_check_resp(self, request_func, uri, resp_status):
-        """Make a request using specified request_func and check response
-        status code.
+        """Make a request and check response status code.
 
         It returns a ResponseBody.
         """
@@ -30,8 +29,7 @@
         return service_client.ResponseBody(resp, body)
 
     def _request_and_check_resp_data(self, request_func, uri, resp_status):
-        """Make a request using specified request_func and check response
-        status code.
+        """Make a request and check response status code.
 
         It returns pair: resp and response data.
         """
@@ -41,8 +39,7 @@
 
     def _request_check_and_parse_resp(self, request_func, uri,
                                       resp_status, *args, **kwargs):
-        """Make a request using specified request_func, check response status
-        code and parse response body.
+        """Make a request, check response status code and parse response body.
 
         It returns a ResponseBody.
         """
diff --git a/tempest/services/identity/v2/json/identity_client.py b/tempest/services/identity/v2/json/identity_client.py
index 1c1bfaa..b27f036 100644
--- a/tempest/services/identity/v2/json/identity_client.py
+++ b/tempest/services/identity/v2/json/identity_client.py
@@ -46,8 +46,8 @@
         return service_client.ResponseBody(resp, body)
 
     def create_tenant(self, name, **kwargs):
-        """
-        Create a tenant
+        """Create a tenant
+
         name (required): New tenant name
         description: Description of new tenant (default is none)
         enabled <true|false>: Initial tenant status (default is true)
diff --git a/tempest/services/network/json/base.py b/tempest/services/network/json/base.py
index fe150df..6ebc245 100644
--- a/tempest/services/network/json/base.py
+++ b/tempest/services/network/json/base.py
@@ -18,9 +18,10 @@
 
 class BaseNetworkClient(service_client.ServiceClient):
 
-    """
-    Base class for Tempest REST clients for Neutron.  Child classes use v2 of
-    the Neutron API, since the V1 API has been removed from the code base.
+    """Base class for Tempest REST clients for Neutron.
+
+    Child classes use v2 of the Neutron API, since the V1 API has been
+    removed from the code base.
     """
 
     version = '2.0'
diff --git a/tempest/services/network/json/network_client.py b/tempest/services/network/json/network_client.py
index d811c51..50a5d5e 100644
--- a/tempest/services/network/json/network_client.py
+++ b/tempest/services/network/json/network_client.py
@@ -21,9 +21,10 @@
 
 class NetworkClient(base.BaseNetworkClient):
 
-    """
-    Tempest REST client for Neutron. Uses v2 of the Neutron API, since the
-    V1 API has been removed from the code base.
+    """Tempest REST client for Neutron.
+
+    Uses v2 of the Neutron API, since the V1 API has been removed from the
+    code base.
 
     Implements create, delete, update, list and show for the basic Neutron
     abstractions (networks, sub-networks, routers, ports and floating IP):
@@ -177,8 +178,8 @@
 
     def wait_for_resource_status(self, fetch, status, interval=None,
                                  timeout=None):
-        """
-        @summary: Waits for a network resource to reach a status
+        """Waits for a network resource to reach a status
+
         @param fetch: the callable to be used to query the resource status
         @type fecth: callable that takes no parameters and returns the resource
         @param status: the status that the resource has to reach
@@ -313,7 +314,8 @@
         return self.list_resources(uri)
 
     def update_agent(self, agent_id, agent_info):
-        """
+        """Update agent
+
         :param agent_info: Agent update information.
         E.g {"admin_state_up": True}
         """
diff --git a/tempest/services/network/resources.py b/tempest/services/network/resources.py
index ae30312..10911f7 100644
--- a/tempest/services/network/resources.py
+++ b/tempest/services/network/resources.py
@@ -19,10 +19,7 @@
 
 
 class AttributeDict(dict):
-
-    """
-    Provide attribute access (dict.key) to dictionary values.
-    """
+    """Provide attribute access (dict.key) to dictionary values."""
 
     def __getattr__(self, name):
         """Allow attribute access for all keys in the dict."""
@@ -33,10 +30,9 @@
 
 @six.add_metaclass(abc.ABCMeta)
 class DeletableResource(AttributeDict):
+    """Support deletion of neutron resources (networks, subnets)
 
-    """
-    Support deletion of neutron resources (networks, subnets) via a
-    delete() method, as is supported by keystone and nova resources.
+    via a delete() method, as is supported by keystone and nova resources.
     """
 
     def __init__(self, *args, **kwargs):
diff --git a/tempest/services/object_storage/account_client.py b/tempest/services/object_storage/account_client.py
index d89aa5d..2c7fe29 100644
--- a/tempest/services/object_storage/account_client.py
+++ b/tempest/services/object_storage/account_client.py
@@ -59,8 +59,8 @@
         return resp, body
 
     def list_account_metadata(self):
-        """
-        HEAD on the storage URL
+        """HEAD on the storage URL
+
         Returns all account metadata headers
         """
         resp, body = self.head('')
@@ -86,9 +86,7 @@
 
     def delete_account_metadata(self, metadata,
                                 metadata_prefix='X-Remove-Account-Meta-'):
-        """
-        Deletes an account metadata entry.
-        """
+        """Deletes an account metadata entry."""
 
         headers = {}
         for item in metadata:
@@ -103,9 +101,7 @@
             delete_metadata=None,
             create_metadata_prefix='X-Account-Meta-',
             delete_metadata_prefix='X-Remove-Account-Meta-'):
-        """
-        Creates and deletes an account metadata entry.
-        """
+        """Creates and deletes an account metadata entry."""
         headers = {}
         for key in create_metadata:
             headers[create_metadata_prefix + key] = create_metadata[key]
@@ -117,8 +113,8 @@
         return resp, body
 
     def list_account_containers(self, params=None):
-        """
-        GET on the (base) storage URL
+        """GET on the (base) storage URL
+
         Given valid X-Auth-Token, returns a list of all containers for the
         account.
 
diff --git a/tempest/services/object_storage/container_client.py b/tempest/services/object_storage/container_client.py
index e8ee20b..73c25db 100644
--- a/tempest/services/object_storage/container_client.py
+++ b/tempest/services/object_storage/container_client.py
@@ -29,9 +29,9 @@
             remove_metadata=None,
             metadata_prefix='X-Container-Meta-',
             remove_metadata_prefix='X-Remove-Container-Meta-'):
-        """
-           Creates a container, with optional metadata passed in as a
-           dictionary
+        """Creates a container
+
+        with optional metadata passed in as a dictionary
         """
         url = str(container_name)
         headers = {}
@@ -90,19 +90,17 @@
         return resp, body
 
     def list_container_metadata(self, container_name):
-        """
-        Retrieves container metadata headers
-        """
+        """Retrieves container metadata headers"""
         url = str(container_name)
         resp, body = self.head(url)
         self.expected_success(204, resp.status)
         return resp, body
 
     def list_all_container_objects(self, container, params=None):
-        """
-            Returns complete list of all objects in the container, even if
-            item count is beyond 10,000 item listing limit.
-            Does not require any parameters aside from container name.
+        """Returns complete list of all objects in the container
+
+        even if item count is beyond 10,000 item listing limit.
+        Does not require any parameters aside from container name.
         """
         # TODO(dwalleck): Rewrite using json format to avoid newlines at end of
         # obj names. Set limit to API limit - 1 (max returned items = 9999)
@@ -121,8 +119,7 @@
         return objlist
 
     def list_container_contents(self, container, params=None):
-        """
-           List the objects in a container, given the container name
+        """List the objects in a container, given the container name
 
            Returns the container object listing as a plain text list, or as
            xml or json if that option is specified via the 'format' argument.
diff --git a/tempest/services/object_storage/object_client.py b/tempest/services/object_storage/object_client.py
index 2265587..5890e33 100644
--- a/tempest/services/object_storage/object_client.py
+++ b/tempest/services/object_storage/object_client.py
@@ -149,9 +149,7 @@
         return resp, body
 
     def put_object_with_chunk(self, container, name, contents, chunk_size):
-        """
-        Put an object with Transfer-Encoding header
-        """
+        """Put an object with Transfer-Encoding header"""
         if self.base_url is None:
             self._set_auth()
 
@@ -204,8 +202,8 @@
 
 def put_object_connection(base_url, container, name, contents=None,
                           chunk_size=65536, headers=None, query_string=None):
-    """
-    Helper function to make connection to put object with httplib
+    """Helper function to make connection to put object with httplib
+
     :param base_url: base_url of an object client
     :param container: container name that the object is in
     :param name: object name to put
diff --git a/tempest/services/volume/json/admin/volume_hosts_client.py b/tempest/services/volume/json/admin/volume_hosts_client.py
index ab9cd5a..939db59 100644
--- a/tempest/services/volume/json/admin/volume_hosts_client.py
+++ b/tempest/services/volume/json/admin/volume_hosts_client.py
@@ -20,9 +20,7 @@
 
 
 class BaseVolumeHostsClient(service_client.ServiceClient):
-    """
-    Client class to send CRUD Volume Hosts API requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume Hosts API requests"""
 
     def list_hosts(self, params=None):
         """Lists all hosts."""
@@ -38,6 +36,4 @@
 
 
 class VolumeHostsClient(BaseVolumeHostsClient):
-    """
-    Client class to send CRUD Volume Host API V1 requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume Host API V1 requests"""
diff --git a/tempest/services/volume/json/admin/volume_quotas_client.py b/tempest/services/volume/json/admin/volume_quotas_client.py
index 207554d..f6d4a14 100644
--- a/tempest/services/volume/json/admin/volume_quotas_client.py
+++ b/tempest/services/volume/json/admin/volume_quotas_client.py
@@ -19,9 +19,7 @@
 
 
 class BaseVolumeQuotasClient(service_client.ServiceClient):
-    """
-    Client class to send CRUD Volume Quotas API requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume Quotas API requests"""
 
     TYPE = "json"
 
@@ -79,6 +77,4 @@
 
 
 class VolumeQuotasClient(BaseVolumeQuotasClient):
-    """
-    Client class to send CRUD Volume Type API V1 requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume Type API V1 requests"""
diff --git a/tempest/services/volume/json/admin/volume_types_client.py b/tempest/services/volume/json/admin/volume_types_client.py
index cd61859..f2da8a5 100644
--- a/tempest/services/volume/json/admin/volume_types_client.py
+++ b/tempest/services/volume/json/admin/volume_types_client.py
@@ -21,9 +21,7 @@
 
 
 class BaseVolumeTypesClient(service_client.ServiceClient):
-    """
-    Client class to send CRUD Volume Types API requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume Types API requests"""
 
     def is_resource_deleted(self, resource):
         # to use this method self.resource must be defined to respective value
@@ -69,8 +67,8 @@
         return service_client.ResponseBody(resp, body)
 
     def create_volume_type(self, name, **kwargs):
-        """
-        Creates a new Volume_type.
+        """Creates a new Volume_type.
+
         name(Required): Name of volume_type.
         Following optional keyword arguments are accepted:
         extra_specs: A dictionary of values to be used as extra_specs.
@@ -113,8 +111,8 @@
         return service_client.ResponseBody(resp, body)
 
     def create_volume_type_extra_specs(self, vol_type_id, extra_spec):
-        """
-        Creates a new Volume_type extra spec.
+        """Creates a new Volume_type extra spec.
+
         vol_type_id: Id of volume_type.
         extra_specs: A dictionary of values to be used as extra_specs.
         """
@@ -134,8 +132,8 @@
 
     def update_volume_type_extra_specs(self, vol_type_id, extra_spec_name,
                                        extra_spec):
-        """
-        Update a volume_type extra spec.
+        """Update a volume_type extra spec.
+
         vol_type_id: Id of volume_type.
         extra_spec_name: Name of the extra spec to be updated.
         extra_spec: A dictionary of with key as extra_spec_name and the
@@ -150,8 +148,8 @@
         return service_client.ResponseBody(resp, body)
 
     def show_encryption_type(self, vol_type_id):
-        """
-        Get the volume encryption type for the specified volume type.
+        """Get the volume encryption type for the specified volume type.
+
         vol_type_id: Id of volume_type.
         """
         url = "/types/%s/encryption" % str(vol_type_id)
@@ -161,8 +159,7 @@
         return service_client.ResponseBody(resp, body)
 
     def create_encryption_type(self, vol_type_id, **kwargs):
-        """
-        Create a new encryption type for the specified volume type.
+        """Create a new encryption type for the specified volume type.
 
         vol_type_id: Id of volume_type.
         provider: Class providing encryption support.
diff --git a/tempest/services/volume/json/availability_zone_client.py b/tempest/services/volume/json/availability_zone_client.py
index 4d24ede..36f95d6 100644
--- a/tempest/services/volume/json/availability_zone_client.py
+++ b/tempest/services/volume/json/availability_zone_client.py
@@ -28,6 +28,4 @@
 
 
 class VolumeAvailabilityZoneClient(BaseVolumeAvailabilityZoneClient):
-    """
-    Volume V1 availability zone client.
-    """
+    """Volume V1 availability zone client."""
diff --git a/tempest/services/volume/json/backups_client.py b/tempest/services/volume/json/backups_client.py
index 6827c93..3045992 100644
--- a/tempest/services/volume/json/backups_client.py
+++ b/tempest/services/volume/json/backups_client.py
@@ -24,9 +24,7 @@
 
 
 class BaseBackupsClient(service_client.ServiceClient):
-    """
-    Client class to send CRUD Volume backup API requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume backup API requests"""
 
     def create_backup(self, volume_id, container=None, name=None,
                       description=None):
diff --git a/tempest/services/volume/json/extensions_client.py b/tempest/services/volume/json/extensions_client.py
index 5744d4a..d7d3197 100644
--- a/tempest/services/volume/json/extensions_client.py
+++ b/tempest/services/volume/json/extensions_client.py
@@ -29,6 +29,4 @@
 
 
 class ExtensionsClient(BaseExtensionsClient):
-    """
-    Volume V1 extensions client.
-    """
+    """Volume V1 extensions client."""
diff --git a/tempest/services/volume/json/snapshots_client.py b/tempest/services/volume/json/snapshots_client.py
index 3fcf18c..77c9dd1 100644
--- a/tempest/services/volume/json/snapshots_client.py
+++ b/tempest/services/volume/json/snapshots_client.py
@@ -51,8 +51,8 @@
         return service_client.ResponseBody(resp, body)
 
     def create_snapshot(self, volume_id, **kwargs):
-        """
-        Creates a new snapshot.
+        """Creates a new snapshot.
+
         volume_id(Required): id of the volume.
         force: Create a snapshot even if the volume attached (Default=False)
         display_name: Optional snapshot Name.
diff --git a/tempest/services/volume/json/volumes_client.py b/tempest/services/volume/json/volumes_client.py
index 9304f63..c2a76f0 100644
--- a/tempest/services/volume/json/volumes_client.py
+++ b/tempest/services/volume/json/volumes_client.py
@@ -23,9 +23,7 @@
 
 
 class BaseVolumesClient(service_client.ServiceClient):
-    """
-    Base client class to send CRUD Volume API requests to a Cinder endpoint
-    """
+    """Base client class to send CRUD Volume API requests"""
 
     create_resp = 200
 
@@ -74,8 +72,8 @@
         return service_client.ResponseBody(resp, body)
 
     def create_volume(self, size=None, **kwargs):
-        """
-        Creates a new Volume.
+        """Creates a new Volume.
+
         size: Size of volume in GB.
         Following optional keyword arguments are accepted:
         display_name: Optional Volume Name(only for V1).
@@ -339,6 +337,4 @@
 
 
 class VolumesClient(BaseVolumesClient):
-    """
-    Client class to send CRUD Volume V1 API requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume V1 API requests"""
diff --git a/tempest/services/volume/v2/json/admin/volume_hosts_client.py b/tempest/services/volume/v2/json/admin/volume_hosts_client.py
index f0cc03f..649c9ec 100644
--- a/tempest/services/volume/v2/json/admin/volume_hosts_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_hosts_client.py
@@ -18,7 +18,5 @@
 
 
 class VolumeHostsV2Client(volume_hosts_client.BaseVolumeHostsClient):
-    """
-    Client class to send CRUD Volume V2 API requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
diff --git a/tempest/services/volume/v2/json/admin/volume_quotas_client.py b/tempest/services/volume/v2/json/admin/volume_quotas_client.py
index 635b6e1..80fffc7 100644
--- a/tempest/services/volume/v2/json/admin/volume_quotas_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_quotas_client.py
@@ -17,7 +17,5 @@
 
 
 class VolumeQuotasV2Client(volume_quotas_client.BaseVolumeQuotasClient):
-    """
-    Client class to send CRUD Volume V2 API requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
diff --git a/tempest/services/volume/v2/json/admin/volume_services_client.py b/tempest/services/volume/v2/json/admin/volume_services_client.py
index d0efc38..88eb82f 100644
--- a/tempest/services/volume/v2/json/admin/volume_services_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_services_client.py
@@ -17,7 +17,5 @@
 
 
 class VolumesServicesV2Client(vs_cli.BaseVolumesServicesClient):
-    """
-    Client class to send CRUD Volume V2 API requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
diff --git a/tempest/services/volume/v2/json/admin/volume_types_client.py b/tempest/services/volume/v2/json/admin/volume_types_client.py
index 1b9ff51..78fe8e5 100644
--- a/tempest/services/volume/v2/json/admin/volume_types_client.py
+++ b/tempest/services/volume/v2/json/admin/volume_types_client.py
@@ -18,7 +18,5 @@
 
 
 class VolumeTypesV2Client(volume_types_client.BaseVolumeTypesClient):
-    """
-    Client class to send CRUD Volume V2 API requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
diff --git a/tempest/services/volume/v2/json/backups_client.py b/tempest/services/volume/v2/json/backups_client.py
index 1ce11ce..8e87505 100644
--- a/tempest/services/volume/v2/json/backups_client.py
+++ b/tempest/services/volume/v2/json/backups_client.py
@@ -17,7 +17,5 @@
 
 
 class BackupsClientV2(backups_client.BaseBackupsClient):
-    """
-    Client class to send CRUD Volume V2 API requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
diff --git a/tempest/services/volume/v2/json/volumes_client.py b/tempest/services/volume/v2/json/volumes_client.py
index a6d081c..a56a7be 100644
--- a/tempest/services/volume/v2/json/volumes_client.py
+++ b/tempest/services/volume/v2/json/volumes_client.py
@@ -17,8 +17,6 @@
 
 
 class VolumesV2Client(volumes_client.BaseVolumesClient):
-    """
-    Client class to send CRUD Volume V2 API requests to a Cinder endpoint
-    """
+    """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
     create_resp = 202