old_contents: # TODO: Make these super useful.
  
  class StorageError(Exception):
    pass
  
  
  class ConnectionError(StorageError):
  
    def __init__(self, response, content):
      message = str(response) + content
      super(ConnectionError, self).__init__(message)
  
  
  class NotFoundError(ConnectionError):
  
    def __init__(self, response, content):
      self.message = 'Request returned a 404. Headers: %s' % (response)
  
  
  class StorageDataError(StorageError):
    pass
  
new_contents: class StorageError(Exception):
    pass
  
  
  class ConnectionError(StorageError):
  
    def __init__(self, response, content):
      message = str(response) + content
      super(ConnectionError, self).__init__(message)
  
  
  class NotFoundError(ConnectionError):
  
    def __init__(self, response, content):
      self.message = 'Request returned a 404. Headers: %s' % (response)
  
  
  class StorageDataError(StorageError):
    pass
  
subject: Remove vague TODO from exceptions.