code: def get(self, file_path, ref, **kwargs):
          
          file_path = file_path.replace('/', '%2F')
          return GetMixin.get(self, file_path, ref=ref, **kwargs)
docs: Retrieve a single file.
  
          Args:
              file_path (str): Path of the file to retrieve
              ref (str): Name of the branch, tag or commit
              **kwargs: Extra options to send to the server (e.g. sudo)
  
          Raises:
              GitlabAuthenticationError: If authentication is not correct
              GitlabGetError: If the file could not be retrieved
  
          Returns:
              object: The generated RESTObject