old_contents: # Licensed under the Apache License, Version 2.0 (the "License"); you may
  # not use this file except in compliance with the License. You may obtain
  # a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  # License for the specific language governing permissions and limitations
  # under the License.
  
  """Show the current failures in the repository."""
  
  import os
  import sys
  
  import six
  import testtools
  
  from stestr import output
  from stestr.repository import file as file_repo
  from stestr import results
  
  
  def get_cli_help():
      pass
  
  
  def set_cli_opts(parser):
      parser.add_argument(
          "--subunit", action="store_true",
          default=False, help="Show output as a subunit stream."),
      parser.add_argument(
          "--list", action="store_true",
          default=False, help="Show only a list of failing tests."),
  
  
  def _show_subunit(run):
      stream = run.get_subunit_stream()
      if getattr(sys.stdout, 'buffer', False):
          sys.stdout.buffer.write(stream.read())
      else:
          sys.stdout.write(stream.read())
      return 0
  
  
  def _make_result(repo, list_tests=False):
      if list_tests:
          list_result = testtools.StreamSummary()
          return list_result, list_result
      else:
          def _get_id():
              return repo.get_latest_run().get_id()
  
          output_result = results.CLITestResult(_get_id,
                                                sys.stdout, None)
          summary_result = output_result.get_summary()
          return output_result, summary_result
  
  
  def run(arguments):
      args = arguments[0]
      # TODO(mtreinish): Add a CLI opt to set different repo types
      repo = file_repo.RepositoryFactory().open(os.getcwd())
      run = repo.get_failing()
      if args.subunit:
          return _show_subunit(run)
      case = run.get_test()
      failed = False
      result, summary = _make_result(repo, list_tests=args.list)
      result.startTestRun()
      try:
          case.run(result)
      finally:
          result.stopTestRun()
      failed = not summary.wasSuccessful()
      if failed:
          result = 1
      else:
          result = 0
      if args.list:
          failing_tests = [
              test for test, _ in summary.errors + summary.failures]
          output.output_tests(failing_tests)
      return result
  
new_contents: # Licensed under the Apache License, Version 2.0 (the "License"); you may
  # not use this file except in compliance with the License. You may obtain
  # a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  # License for the specific language governing permissions and limitations
  # under the License.
  
  """Show the current failures in the repository."""
  
  import os
  import sys
  
  import testtools
  
  from stestr import output
  from stestr.repository import file as file_repo
  from stestr import results
  
  
  def get_cli_help():
      pass
  
  
  def set_cli_opts(parser):
      parser.add_argument(
          "--subunit", action="store_true",
          default=False, help="Show output as a subunit stream."),
      parser.add_argument(
          "--list", action="store_true",
          default=False, help="Show only a list of failing tests."),
  
  
  def _show_subunit(run):
      stream = run.get_subunit_stream()
      if getattr(sys.stdout, 'buffer', False):
          sys.stdout.buffer.write(stream.read())
      else:
          sys.stdout.write(stream.read())
      return 0
  
  
  def _make_result(repo, list_tests=False):
      if list_tests:
          list_result = testtools.StreamSummary()
          return list_result, list_result
      else:
          def _get_id():
              return repo.get_latest_run().get_id()
  
          output_result = results.CLITestResult(_get_id,
                                                sys.stdout, None)
          summary_result = output_result.get_summary()
          return output_result, summary_result
  
  
  def run(arguments):
      args = arguments[0]
      # TODO(mtreinish): Add a CLI opt to set different repo types
      repo = file_repo.RepositoryFactory().open(os.getcwd())
      run = repo.get_failing()
      if args.subunit:
          return _show_subunit(run)
      case = run.get_test()
      failed = False
      result, summary = _make_result(repo, list_tests=args.list)
      result.startTestRun()
      try:
          case.run(result)
      finally:
          result.stopTestRun()
      failed = not summary.wasSuccessful()
      if failed:
          result = 1
      else:
          result = 0
      if args.list:
          failing_tests = [
              test for test, _ in summary.errors + summary.failures]
          output.output_tests(failing_tests)
      return result
  
subject: Remove extra six import