old_contents: # Copyright 2010 Jacob Kaplan-Moss
  # Copyright 2011 Nebula, Inc.
  #
  #    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.
  """
  Exception definitions.
  """
  
  #flake8: noqa
  from keystoneclient.openstack.common.apiclient.exceptions import *
  
  # NOTE(akurilin): This alias should be left here to support backwards
  # compatibility until we are sure that usage of these exceptions in
  # projects is correct.
  ConnectionError = ConnectionRefused
  HTTPNotImplemented = HttpNotImplemented
  Timeout = RequestTimeout
  HTTPError = HttpError
  
  
  class CertificateConfigError(Exception):
      """Error reading the certificate"""
      def __init__(self, output):
          self.output = output
          msg = 'Unable to load certificate.'
          super(CertificateConfigError, self).__init__(msg)
  
  
  class CMSError(Exception):
      """Error reading the certificate"""
      def __init__(self, output):
          self.output = output
          msg = 'Unable to sign or verify data.'
          super(CMSError, self).__init__(msg)
  
  
  class EmptyCatalog(EndpointNotFound):
      """The service catalog is empty."""
      pass
  
  
  class SSLError(ConnectionRefused):
      """An SSL error occurred."""
  
  
  class DiscoveryFailure(ClientException):
      """Discovery of client versions failed."""
  
  
  class VersionNotAvailable(DiscoveryFailure):
      """Discovery failed as the version you requested is not available."""
  
  
  class MethodNotImplemented(ClientException):
      """Method not implemented by the keystoneclient API."""
  
  
  class MissingAuthPlugin(ClientException):
      """An authenticated request is required but no plugin available."""
  
  
  class NoMatchingPlugin(ClientException):
      """There were no auth plugins that could be created from the parameters
      provided."""
  
  
  class InvalidResponse(ClientException):
      """The response from the server is not valid for this request."""
  
      def __init__(self, response):
          super(InvalidResponse, self).__init__()
          self.response = response
  
new_contents: # Copyright 2010 Jacob Kaplan-Moss
  # Copyright 2011 Nebula, Inc.
  #
  #    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.
  """
  Exception definitions.
  """
  
  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
  # projects is correct.
  ConnectionError = ConnectionRefused
  HTTPNotImplemented = HttpNotImplemented
  Timeout = RequestTimeout
  HTTPError = HttpError
  
  
  class CertificateConfigError(Exception):
      """Error reading the certificate."""
      def __init__(self, output):
          self.output = output
          msg = 'Unable to load certificate.'
          super(CertificateConfigError, self).__init__(msg)
  
  
  class CMSError(Exception):
      """Error reading the certificate."""
      def __init__(self, output):
          self.output = output
          msg = 'Unable to sign or verify data.'
          super(CMSError, self).__init__(msg)
  
  
  class EmptyCatalog(EndpointNotFound):
      """The service catalog is empty."""
      pass
  
  
  class SSLError(ConnectionRefused):
      """An SSL error occurred."""
  
  
  class DiscoveryFailure(ClientException):
      """Discovery of client versions failed."""
  
  
  class VersionNotAvailable(DiscoveryFailure):
      """Discovery failed as the version you requested is not available."""
  
  
  class MethodNotImplemented(ClientException):
      """Method not implemented by the keystoneclient API."""
  
  
  class MissingAuthPlugin(ClientException):
      """An authenticated request is required but no plugin available."""
  
  
  class NoMatchingPlugin(ClientException):
      """There were no auth plugins that could be created from the parameters
      provided.
      """
  
  
  class InvalidResponse(ClientException):
      """The response from the server is not valid for this request."""
  
      def __init__(self, response):
          super(InvalidResponse, self).__init__()
          self.response = response
  
subject: Correct use of noqa