Fix PEP8 compliance problems

This patch fixes some pep8 compliance issues. Looks like either some new
checking has been added recently or its suddenly covering more files, but its
picking up new pep8 failures now.

Change-Id: I80a3509ed17d6ff49517bd1cffb636e48ec7351a
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,