old_contents: from django.http import JsonResponse
  from django.utils.decorators import method_decorator
  from django.utils.translation import ugettext_lazy as _
  from graphene_django.views import GraphQLView
  from rest_framework import status
  from rest_framework.exceptions import APIException
  from rest_framework_jwt.authentication import JSONWebTokenAuthentication
  
  
  def check_jwt_decorator(func):
      """
      Check JWT Token by using DRF Authentication class.
      Returns UNAUTHORIZED response if headers don't contain alive token.
  
      :param func:
      :return:
      """
  
      def wrap(request, *args, **kwargs):
          if request.user.is_authenticated():
              return func(request, *args, **kwargs)
          try:
              auth_tuple = JSONWebTokenAuthentication().authenticate(request)
          except APIException as e:
              return JsonResponse({'details': str(e)}, status=e.status_code)
          except Exception as e:
              raise e
          if auth_tuple is None:
              return JsonResponse({'details': _('Unauthorized user')},
                                  status=status.HTTP_401_UNAUTHORIZED)
          request.user, request.auth = auth_tuple
          return func(request, *args, **kwargs)
  
      return wrap
  
  
  class DRFAuthenticatedGraphQLView(GraphQLView):
      """
      Extended default GraphQLView.
      """
  
      @method_decorator(check_jwt_decorator)
      def dispatch(self, request, *args, **kwargs):
          return super(DRFAuthenticatedGraphQLView, self).dispatch(
              request, *args, **kwargs)
  
new_contents: from django.http import JsonResponse
  from django.utils.decorators import method_decorator
  from django.utils.translation import ugettext_lazy as _
  from graphene_django.views import GraphQLView
  from rest_framework import status
  from rest_framework.exceptions import APIException
  from rest_framework_jwt.authentication import JSONWebTokenAuthentication
  
  
  def check_jwt_decorator(func):
      """
      Check JWT Token by using DRF Authentication class.
      Returns UNAUTHORIZED response if headers don't contain alive token.
  
      :param func:
      :return:
      """
  
      def wrap(request, *args, **kwargs):
          try:
              auth_tuple = JSONWebTokenAuthentication().authenticate(request)
          except APIException as e:
              return JsonResponse({'details': str(e)}, status=e.status_code)
          except Exception as e:
              raise e
          if auth_tuple is None:
              return JsonResponse({'details': _('Unauthorized user')},
                                  status=status.HTTP_401_UNAUTHORIZED)
          request.user, request.auth = auth_tuple
          return func(request, *args, **kwargs)
  
      return wrap
  
  
  class DRFAuthenticatedGraphQLView(GraphQLView):
      """
      Extended default GraphQLView.
      """
  
      @method_decorator(check_jwt_decorator)
      def dispatch(self, request, *args, **kwargs):
          return super(DRFAuthenticatedGraphQLView, self).dispatch(
              request, *args, **kwargs)
  
subject: Remove fix