diff --git a/tempest/common/utils/data_utils.py b/tempest/common/utils/data_utils.py
index 3a7661c..7c6a58b 100644
--- a/tempest/common/utils/data_utils.py
+++ b/tempest/common/utils/data_utils.py
@@ -60,7 +60,7 @@
 
 def parse_image_id(image_ref):
     """Return the image id from a given image ref."""
-    return  image_ref.rsplit('/')[-1]
+    return image_ref.rsplit('/')[-1]
 
 
 def arbitrary_string(size=4, base_text=None):
diff --git a/tempest/services/boto/__init__.py b/tempest/services/boto/__init__.py
index 83bf1f9..f744d9d 100644
--- a/tempest/services/boto/__init__.py
+++ b/tempest/services/boto/__init__.py
@@ -96,4 +96,4 @@
             else:
                 raise InvalidConfiguration(
                                     "Unable to get access and secret keys")
-        return  self.connect_method(**self.connection_data)
+        return self.connect_method(**self.connection_data)
diff --git a/tempest/tests/boto/__init__.py b/tempest/tests/boto/__init__.py
index 62918c2..ec51b18 100644
--- a/tempest/tests/boto/__init__.py
+++ b/tempest/tests/boto/__init__.py
@@ -85,7 +85,7 @@
         s3client = openstack.s3_client
         try:
             s3client.get_bucket("^INVALID*#()@INVALID.")
-        except  boto.exception.BotoServerError as exc:
+        except boto.exception.BotoServerError as exc:
             if exc.status == 403:
                 _cred_sub_check(s3client.connection_data)
     except Exception as exc:
diff --git a/tempest/tests/compute/servers/test_servers_negative.py b/tempest/tests/compute/servers/test_servers_negative.py
index dfe5944..f7624b3 100644
--- a/tempest/tests/compute/servers/test_servers_negative.py
+++ b/tempest/tests/compute/servers/test_servers_negative.py
@@ -176,7 +176,7 @@
         # Pass invalid network uuid while creating a server
 
         server_name = rand_name('server')
-        networks = [{'fixed_ip': '10.0.1.1', 'uuid':'a-b-c-d-e-f-g-h-i-j'}]
+        networks = [{'fixed_ip': '10.0.1.1', 'uuid': 'a-b-c-d-e-f-g-h-i-j'}]
 
         self.assertRaises(exceptions.BadRequest,
                           self.create_server_with_extras,