code: def is_fault(self):
  
          
  
          if self.is_batch():
  
              info = self.get_batch()
  
              return info['hasFault']
  
          else:
  
              my_response = self.get_response()
  
              if list(my_response.keys())[0] == "Fault":
  
                  return True
  
          return False
docs: Checks, wether this response has at least one fault response (
          supports both batch and single responses)