diff --git a/synapse/util/patch_inline_callbacks.py b/synapse/util/patch_inline_callbacks.py
index 64a2c891c3..3b78451dc0 100644
--- a/synapse/util/patch_inline_callbacks.py
+++ b/synapse/util/patch_inline_callbacks.py
@@ -17,14 +17,12 @@ from __future__ import print_function
 
 import functools
 import sys
-
-from typing import List, Callable, Any
+from typing import Any, Callable, List
 
 from twisted.internet import defer
 from twisted.internet.defer import Deferred
 from twisted.python.failure import Failure
 
-
 # Tracks if we've already patched inlineCallbacks
 _already_patched = False