fix lint issue

Author: andrewsg

dlp/inspect_content.py

@@ -192,7 +192,6 @@ def inspect_gcs_file(project, bucket, filename, topic_id, subscription_id,
         None; the response from the API is printed to the terminal.
     """
 
-
     # Import the client library.
     import google.cloud.dlp
 

dlp/metadata.py

@@ -25,7 +25,7 @@ def list_info_types(language_code=None, result_filter=None):
     """List types of sensitive information within a category.
     Args:
         language_code: The BCP-47 language code to use, e.g. 'en-US'.
-        filter: An optional filter to only return info types supported by 
+        filter: An optional filter to only return info types supported by
                 certain parts of the API. Defaults to "supported_by=INSPECT".
     Returns:
         None; the response from the API is printed to the terminal.

dlp/quickstart_test.py

@@ -12,16 +12,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import mock
 import os
 
 import google.cloud.dlp
+import mock
 
 import quickstart
 
 
 GCLOUD_PROJECT = os.getenv('GCLOUD_PROJECT')
 
+
 def test_quickstart(capsys):
     # Mock out project_path to use the test runner's project ID.
     with mock.patch.object(