old_contents: """Beaker exception classes"""
  
  class BeakerException(Exception):
      pass
  
  
  class CreationAbortedError(Exception):
      """deprecated."""
  
  class InvalidCacheBackendError(BeakerException, ImportError):
      pass
  
  
  class MissingCacheParameter(BeakerException):
      pass
  
  
  class LockError(BeakerException):
      pass
  
  class InvalidCryptoBackendError(BeakerException, ImportError):
      def __init__(self):
          Exception.__init__('No supported crypto implementation was found')
new_contents: """Beaker exception classes"""
  
  class BeakerException(Exception):
      pass
  
  
  class CreationAbortedError(Exception):
      """Deprecated."""
  
  
  class InvalidCacheBackendError(BeakerException, ImportError):
      pass
  
  
  class MissingCacheParameter(BeakerException):
      pass
  
  
  class LockError(BeakerException):
      pass
  
  
  class InvalidCryptoBackendError(BeakerException, ImportError):
  
      def __init__(self):
          Exception.__init__(self,
                             'No supported crypto implementation was found')
  
subject: fix InvalidCryptoBackendError trigering a TypeError thanks dz fixes #13