old_contents: from django.shortcuts import render
  
  from allauth.socialaccount import app_settings
  
  
  class OAuthLoginMixin:
      def dispatch(self, request, *args, **kwargs):
          provider = self.adapter.get_provider()
          if (not app_settings.LOGIN_ON_GET) and request.method == "GET":
              return render(
                  request,
                  "socialaccount/login.html",
                  {
                      "provider": provider,
                      "process": request.GET.get("process"),
                  },
              )
          return self.login(request, *args, **kwargs)
  
      def login(self, request, *args, **kwargs):
          raise NotImplementedError
  
new_contents: from django.shortcuts import render
  
  from allauth.account import app_settings as account_app_settings
  from allauth.socialaccount import app_settings
  
  
  class OAuthLoginMixin:
      def dispatch(self, request, *args, **kwargs):
          provider = self.adapter.get_provider()
          if (not app_settings.LOGIN_ON_GET) and request.method == "GET":
              return render(
                  request,
                  "socialaccount/login." + account_app_settings.TEMPLATE_EXTENSION,
                  {
                      "provider": provider,
                      "process": request.GET.get("process"),
                  },
              )
          return self.login(request, *args, **kwargs)
  
      def login(self, request, *args, **kwargs):
          raise NotImplementedError
  
subject: remove hardcoded template extension