code: def get_request(self, deflate=True):
          
          if deflate:
              request = OneLogin_Saml2_Utils.deflate_and_base64_encode(self.__logout_request)
          else:
              request = b64encode(self.__logout_request)
          return request
docs: Returns the Logout Request deflated, base64encoded
          :param deflate: It makes the deflate process optional
          :type: bool
          :return: Logout Request maybe deflated and base64 encoded
          :rtype: str object