Django开发BUG "Model class WH_auth.models.User doesn't declare an explicit app_label and isn't in an application in INSTALLED_APPS."

• 当进行数据库迁移的时候发生问题，报错如下：RuntimeError: Model class WH_auth.models.User doesn't declare an explicit app_label and isn't in an application in INSTALLED_APPS.
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• 解决方法：
  
  
• -----在导入model模型的时候，加上app应用名

  

• ok ,问题解决。