linter + fixes

Author: kingbuzzman

pytest_django/fixtures.py

@@ -622,8 +622,8 @@ def _assert_num_queries(
     *,
     using: str | None = None,
 ) -> Generator[django.test.utils.CaptureQueriesContext, None, None]:
-    from django.db import connections
     from django.db import connection as default_conn
+    from django.db import connections
     from django.test.utils import CaptureQueriesContext
 
     if connection and using:

tests/test_fixtures.py

@@ -216,10 +216,8 @@ def test_django_assert_num_queries_db_using(
     with django_assert_num_queries(1, using="default"):
         Item.objects.create(name="foo")
 
-    with django_assert_num_queries(1, using="default", connection=connection):
-        Item.objects.create(name="foo")
-
-    with pytest.raises(ValueError):
+    error_message = 'The "connection" and "using" parameter cannot be used together'
+    with pytest.raises(ValueError, match=error_message):
         with django_assert_num_queries(1, connection=connection, using="default"):
             Item.objects.create(name="foo")