def decrypt(self, response):
        """Decrypt a MongoDB command response.

        :Parameters:
          - `response`: A MongoDB command response as BSON.

        :Returns:
          The decrypted command response.
        """
        self._check_closed()
        with _wrap_encryption_errors():
            return self._auto_encrypter.decrypt(response)
Decrypt a MongoDB command response.

        :Parameters:
          - `response`: A MongoDB command response as BSON.

        :Returns:
          The decrypted command response.
        
stackoverflow/venv/lib/python3.6/site-packages/pymongo/encryption.py