Correct use of noqa

The use of "#flake8: noqa" disables hacking checks for the entire
file. Switched to use of "# noqa" and fixed hacking problems.

Change-Id: I18785fb18bdce88e61e2451960e55aed0863c285

keystoneclient/exceptions.py

@@ -16,8 +16,7 @@
 Exception definitions.
 """
 
-#flake8: noqa
-from keystoneclient.openstack.common.apiclient.exceptions import *
+from keystoneclient.openstack.common.apiclient.exceptions import *  # noqa
 
 # NOTE(akurilin): This alias should be left here to support backwards
 # compatibility until we are sure that usage of these exceptions in
@@ -29,7 +28,7 @@ HTTPError = HttpError
 
 
 class CertificateConfigError(Exception):
-    """Error reading the certificate"""
+    """Error reading the certificate."""
     def __init__(self, output):
         self.output = output
         msg = 'Unable to load certificate.'
@@ -37,7 +36,7 @@ class CertificateConfigError(Exception):
 
 
 class CMSError(Exception):
-    """Error reading the certificate"""
+    """Error reading the certificate."""
     def __init__(self, output):
         self.output = output
         msg = 'Unable to sign or verify data.'
@@ -71,7 +70,8 @@ class MissingAuthPlugin(ClientException):
 
 class NoMatchingPlugin(ClientException):
     """There were no auth plugins that could be created from the parameters
-    provided."""
+    provided.
+    """
 
 
 class InvalidResponse(ClientException):

keystoneclient/v2_0/__init__.py

@@ -1,5 +1,4 @@
-# flake8: noqa
-from keystoneclient.v2_0.client import Client
+from keystoneclient.v2_0.client import Client  # noqa
 
 
 __all__ = [

keystoneclient/v3/__init__.py

@@ -1,5 +1,5 @@
-# flake8: noqa
-from keystoneclient.v3.client import Client
+
+from keystoneclient.v3.client import Client  # noqa
 
 
 __all__ = [

keystoneclient/v3/contrib/federation/__init__.py

@@ -10,4 +10,4 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from keystoneclient.v3.contrib.federation.core import *  # flake8: noqa
+from keystoneclient.v3.contrib.federation.core import *  # noqa