[1.7.x] flake8 fixes.

Backport of 45c2d1f5d9 from master.

1 files changed, 0 insertions, 3 deletions

diff --git a/django/db/migrations/loader.py b/django/db/migrations/loader.py
index c0ac4b7f44..48166a1bdb 100644
--- a/django/db/migrations/loader.py
+++ b/django/db/migrations/loader.py
@@ -5,9 +5,6 @@ import sys
 from django.apps import apps
 from django.db.migrations.recorder import MigrationRecorder
 from django.db.migrations.graph import MigrationGraph
-from django.db.migrations.migration import Migration
-from django.db.migrations.state import ModelState
-from django.db.migrations import operations
 from django.utils import six
 from django.conf import settings