[1.8.x] Sorted imports with isort; refs #23860.

Backport of 0ed7d155635da9f79d4dd67e4889087d3673c6da from master

1 files changed, 2 insertions, 4 deletions

diff --git a/tests/model_fields/test_field_flags.py b/tests/model_fields/test_field_flags.py
index 08a57db501..3749e55452 100644
--- a/tests/model_fields/test_field_flags.py
+++ b/tests/model_fields/test_field_flags.py
@@ -1,17 +1,15 @@
 from django import test
-
 from django.contrib.contenttypes.fields import (
     GenericForeignKey, GenericRelation,
 )
 from django.db import models
 from django.db.models.fields.related import (
-    ForeignObject, ForeignKey, OneToOneField, ManyToManyField,
-    ManyToOneRel, ForeignObjectRel,
+    ForeignKey, ForeignObject, ForeignObjectRel, ManyToManyField, ManyToOneRel,
+    OneToOneField,
 )
 
 from .models import AllFieldsModel
 
-
 NON_CONCRETE_FIELDS = (
     ForeignObject,
     GenericForeignKey,