code: def unlink_from(self, provider):
          '''
          解绑特定第三方平台
          '''
          if type(provider) != str:
              raise TypeError('input should be a string')
          self.link_with(provider, None)
          # self._sync_auth_data(provider)
          return self unlink_from(self, provider):
          '''
          解绑特定第三方平台
          '''
          if type(provider) != str:
              raise TypeError('input should be a string')
          self.link_with(provider, None)
          # self._sync_auth_data(provider)
          return self
docs: 解绑特定第三方平台