old_contents: class VCSPullException(Exception):
  
      """Standard exception raised by libvcs."""
  
  
  class MultipleConfigWarning(VCSPullException):
      message = "Multiple configs found in home directory use only one." " .yaml, .json."
  
new_contents: class VCSPullException(Exception):
  
      """Standard exception raised by vcspull."""
  
  
  class MultipleConfigWarning(VCSPullException):
      message = "Multiple configs found in home directory use only one." " .yaml, .json."
  
subject: Fix docstring