new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import pytest
  
  from webhooks.exceptions import SenderNotCallable
  from webhooks import webhook, unhashed_hook
  
  
  def test_callable_sender():
  
      @webhook(event="example200", sender_callable=123)
      def basic(creator="pydanny"):
          return {"husband": "Daniel Roy Greenfeld", "wife": "Audrey Roy Greenfeld"}
  
      with pytest.raises(SenderNotCallable):
          basic(creator='pydanny')
  
  
subject: Add test for sender_callable check