def getUserInfo(self, host):  # Получение пользователя
  return ServerModel.objects.get(url=host).user


def addCard(self, post_data):  # Создание новой записи
  print(post_data)
  post_data["host"] = ServerModel.objects.get(url=post_data["host"])
  # print(serializers.serialize("json", post_data))
  panel_obj = PanelModel(**post_data)  # Error
  panel_obj.save()


print(type(post_data["user"]))  # <class 'django.contrib.auth.models.User'>
print(post_data["user"])  # user
print(isinstance(post_data["user"], User))  # True