✅ Fix usage of mock.call_args.args

Not present before python 3.8

Author: nikolaik

graphene_django/tests/test_utils.py

@@ -1,4 +1,5 @@
 import json
+import sys
 
 import pytest
 from django.utils.translation import gettext_lazy
@@ -8,6 +9,10 @@
 from .models import Film, Reporter
 from ..utils.testing import graphql_query
 
+def call_args_compat(mock):
+    if sys.version_info < (3, 8):
+        setattr(mock.call_args, 'args', mock.call_args[0])
+    return mock.call_args
 
 def test_get_model_fields_no_duplication():
     reporter_fields = get_model_fields(Reporter)
@@ -54,7 +59,7 @@ def runTest(self):
     tc._pre_setup()
     tc.setUpClass()
     tc.query("query { }", operation_name="QueryName")
-    body = json.loads(post_mock.call_args.args[1])
+    body = json.loads(call_args_compat(post_mock).args[1])
     # `operationName` field from https://graphql.org/learn/serving-over-http/#post-request
     assert (
         "operationName",
@@ -66,7 +71,7 @@ def runTest(self):
 @patch("graphene_django.utils.testing.Client.post")
 def test_graphql_query_case_operation_name(post_mock):
     graphql_query("query { }", operation_name="QueryName")
-    body = json.loads(post_mock.call_args.args[1])
+    body = json.loads(call_args_compat(post_mock).args[1])
     # `operationName` field from https://graphql.org/learn/serving-over-http/#post-request
     assert (
         "operationName",