diff --git a/etc/tempest.conf.sample b/etc/tempest.conf.sample
index f1aaa07..2d7f754 100644
--- a/etc/tempest.conf.sample
+++ b/etc/tempest.conf.sample
@@ -1,5 +1,5 @@
 [DEFAULT]
-# log_config = /opt/stack/tempest/etc/logging.conf.sample
+#log_config = /opt/stack/tempest/etc/logging.conf.sample
 
 # disable logging to the stderr
 use_stderr = False
@@ -285,7 +285,7 @@
 aws_access =
 aws_secret =
 
-#Image materials for S3 upload
+# Image materials for S3 upload
 # ALL content of the specified directory will be uploaded to S3
 s3_materials_path = /opt/stack/devstack/files/images/s3-materials/cirros-0.3.1
 
@@ -293,22 +293,22 @@
 # Subdirectories not allowed!
 # The filenames will be used as a Keys in the S3 Buckets
 
-#ARI Ramdisk manifest. Must be in the above s3_materials_path
+# ARI Ramdisk manifest. Must be in the above s3_materials_path
 ari_manifest = cirros-0.3.1-x86_64-initrd.manifest.xml
 
-#AMI Machine Image manifest. Must be in the above s3_materials_path
+# AMI Machine Image manifest. Must be in the above s3_materials_path
 ami_manifest = cirros-0.3.1-x86_64-blank.img.manifest.xml
 
-#AKI Kernel Image manifest, Must be in the above s3_materials_path
+# AKI Kernel Image manifest, Must be in the above s3_materials_path
 aki_manifest = cirros-0.3.1-x86_64-vmlinuz.manifest.xml
 
-#Instance type
+# Instance type
 instance_type = m1.tiny
 
-#TCP/IP connection timeout
+# TCP/IP connection timeout
 http_socket_timeout = 5
 
-#Number of retries actions on connection or 5xx error
+# Number of retries actions on connection or 5xx error
 num_retries = 1
 
 # Status change wait timout
diff --git a/tempest/api/identity/admin/v3/test_roles.py b/tempest/api/identity/admin/v3/test_roles.py
index cab84c0..980323a 100644
--- a/tempest/api/identity/admin/v3/test_roles.py
+++ b/tempest/api/identity/admin/v3/test_roles.py
@@ -54,7 +54,7 @@
         resp[1], _ = cls.v3_client.delete_group(cls.group_body['id'])
         resp[2], _ = cls.v3_client.delete_user(cls.user_body['id'])
         resp[3], _ = cls.v3_client.delete_project(cls.project['id'])
-        #NOTE(harika-vakadi): It is necessary to disable the domian
+        # NOTE(harika-vakadi): It is necessary to disable the domian
         # before deleting,or else it would result in unauthorized error
         cls.v3_client.update_domain(cls.domain['id'], enabled=False)
         resp[4], _ = cls.v3_client.delete_domain(cls.domain['id'])
diff --git a/tempest/cli/__init__.py b/tempest/cli/__init__.py
index f04d23f..b34d516 100644
--- a/tempest/cli/__init__.py
+++ b/tempest/cli/__init__.py
@@ -93,7 +93,7 @@
     def cmd_with_auth(self, cmd, action, flags='', params='',
                       admin=True, fail_ok=False):
         """Executes given command with auth attributes appended."""
-        #TODO(jogo) make admin=False work
+        # TODO(jogo) make admin=False work
         creds = ('--os-username %s --os-tenant-name %s --os-password %s '
                  '--os-auth-url %s ' % (self.identity.admin_username,
                  self.identity.admin_tenant_name, self.identity.admin_password,
diff --git a/tempest/cli/simple_read_only/test_compute.py b/tempest/cli/simple_read_only/test_compute.py
index 4c7f604..9b358e6 100644
--- a/tempest/cli/simple_read_only/test_compute.py
+++ b/tempest/cli/simple_read_only/test_compute.py
@@ -48,7 +48,7 @@
                           self.nova,
                           'this-does-nova-exist')
 
-    #NOTE(jogo): Commands in order listed in 'nova help'
+    # NOTE(jogo): Commands in order listed in 'nova help'
 
     # Positional arguments:
 
diff --git a/tempest/cli/simple_read_only/test_compute_manage.py b/tempest/cli/simple_read_only/test_compute_manage.py
index 1848827..523c65f 100644
--- a/tempest/cli/simple_read_only/test_compute_manage.py
+++ b/tempest/cli/simple_read_only/test_compute_manage.py
@@ -41,7 +41,7 @@
                           self.nova_manage,
                           'this-does-nova-exist')
 
-    #NOTE(jogo): Commands in order listed in 'nova-manage -h'
+    # NOTE(jogo): Commands in order listed in 'nova-manage -h'
 
     # test flags
     def test_help_flag(self):
diff --git a/tempest/common/rest_client.py b/tempest/common/rest_client.py
index 759ab81..ea5b4f4 100644
--- a/tempest/common/rest_client.py
+++ b/tempest/common/rest_client.py
@@ -323,7 +323,7 @@
         if (resp.status in set((204, 205, 304)) or resp.status < 200 or
                 method.upper() == 'HEAD') and resp_body:
             raise exceptions.ResponseWithNonEmptyBody(status=resp.status)
-        #NOTE(afazekas):
+        # NOTE(afazekas):
         # If the HTTP Status Code is 205
         #   'The response MUST NOT include an entity.'
         # A HTTP entity has an entity-body and an 'entity-header'.
@@ -336,7 +336,7 @@
             0 != len(set(resp.keys()) - set(('status',)) -
                      self.response_header_lc - self.general_header_lc)):
                         raise exceptions.ResponseWithEntity()
-        #NOTE(afazekas)
+        # NOTE(afazekas)
         # Now the swift sometimes (delete not empty container)
         # returns with non json error response, we can create new rest class
         # for swift.
@@ -458,8 +458,8 @@
             message = resp_body
             if parse_resp:
                 resp_body = self._parse_resp(resp_body)
-                #I'm seeing both computeFault and cloudServersFault come back.
-                #Will file a bug to fix, but leave as is for now.
+                # I'm seeing both computeFault and cloudServersFault come back.
+                # Will file a bug to fix, but leave as is for now.
                 if 'cloudServersFault' in resp_body:
                     message = resp_body['cloudServersFault']['message']
                 elif 'computeFault' in resp_body:
diff --git a/tempest/common/utils/linux/remote_client.py b/tempest/common/utils/linux/remote_client.py
index de2bf43..2cbb74d 100644
--- a/tempest/common/utils/linux/remote_client.py
+++ b/tempest/common/utils/linux/remote_client.py
@@ -24,7 +24,7 @@
 
 class RemoteClient():
 
-    #Note(afazekas): It should always get an address instead of server
+    # NOTE(afazekas): It should always get an address instead of server
     def __init__(self, server, username, password=None, pkey=None):
         ssh_timeout = TempestConfig().compute.ssh_timeout
         network = TempestConfig().compute.network_for_ssh
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index d0f0127..c551e70 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -268,7 +268,7 @@
     def check_preconditions(cls):
         if (cls.config.service_available.neutron):
             cls.enabled = True
-            #verify that neutron_available is telling the truth
+            # verify that neutron_available is telling the truth
             try:
                 cls.network_client.list_networks()
             except exc.EndpointNotFound:
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 5311eae..c031777 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -43,7 +43,7 @@
          ssh server hosted at the IP address.  This check guarantees
          that the IP address is associated with the target VM.
 
-       #TODO(mnewby) - Need to implement the following:
+       # TODO(mnewby) - Need to implement the following:
        - the Tempest host can ssh into the VM via the IP address and
          successfully execute the following:
 
@@ -182,8 +182,8 @@
 
     @attr(type='smoke')
     def test_004_check_networks(self):
-        #Checks that we see the newly created network/subnet/router via
-        #checking the result of list_[networks,routers,subnets]
+        # Checks that we see the newly created network/subnet/router via
+        # checking the result of list_[networks,routers,subnets]
         seen_nets = self._list_networks()
         seen_names = [n['name'] for n in seen_nets]
         seen_ids = [n['id'] for n in seen_nets]
diff --git a/tempest/whitebox/manager.py b/tempest/whitebox/manager.py
index b2632f1..3b1b107 100644
--- a/tempest/whitebox/manager.py
+++ b/tempest/whitebox/manager.py
@@ -72,7 +72,7 @@
         cls.flavor_ref = cls.config.compute.flavor_ref
         cls.flavor_ref_alt = cls.config.compute.flavor_ref_alt
 
-    #NOTE(afazekas): Mimics the helper method used in the api tests
+    # NOTE(afazekas): Mimics the helper method used in the api tests
     @classmethod
     def create_server(cls, **kwargs):
         flavor_ref = cls.config.compute.flavor_ref
@@ -127,7 +127,7 @@
             cmd = shlex.split(cmd)
             result = subprocess.Popen(cmd, stdout=subprocess.PIPE)
 
-        #Todo(rohitk): Need to define host connection parameters in config
+        # TODO(rohitk): Need to define host connection parameters in config
         else:
             client = self.get_ssh_connection(self.config.whitebox.api_host,
                                              self.config.whitebox.api_user,
diff --git a/tempest/whitebox/test_servers_whitebox.py b/tempest/whitebox/test_servers_whitebox.py
index 1c1cdeb..abe903c 100644
--- a/tempest/whitebox/test_servers_whitebox.py
+++ b/tempest/whitebox/test_servers_whitebox.py
@@ -26,7 +26,7 @@
     @classmethod
     def setUpClass(cls):
         super(ServersWhiteboxTest, cls).setUpClass()
-        #NOTE(afazekas): Strange relationship
+        # NOTE(afazekas): Strange relationship
         BaseIdentityAdminTest.setUpClass()
         cls.client = cls.servers_client
         cls.img_client = cls.images_client