1 files changed, 4 insertions, 2 deletions
diff --git a/django/core/files/locks.py b/django/core/files/locks.py
index 42631b3492..c46b00b905 100644
--- a/django/core/files/locks.py
+++ b/django/core/files/locks.py
@@ -28,8 +28,10 @@ def _fd(f):
 
 if os.name == 'nt':
     import msvcrt
-    from ctypes import (sizeof, c_ulong, c_void_p, c_int64,
-                        Structure, Union, POINTER, windll, byref)
+    from ctypes import (
+        POINTER, Structure, Union, byref, c_int64, c_ulong, c_void_p, sizeof,
+        windll,
+    )
     from ctypes.wintypes import BOOL, DWORD, HANDLE
 
     LOCK_SH = 0  # the default