code: def _WsdlHasMethod(self, method_name):
      
      return method_name in self.suds_client.wsdl.services[0].ports[0].methods
docs: Determine if the wsdl contains a method.
  
      Args:
        method_name: The name of the method to search.
  
      Returns:
        True if the method is in the WSDL, otherwise False.