diff --git a/python-packages/order_utils/setup.py b/python-packages/order_utils/setup.py
index ba11fb3497..a76d724aa5 100644
--- a/python-packages/order_utils/setup.py
+++ b/python-packages/order_utils/setup.py
@@ -64,7 +64,7 @@ class CleanCommandExtension(clean):
         for root, _, files in walk("."):
             for file in files:
                 (_, extension) = path.splitext(file)
-                if extension == '.pyc':
+                if extension == ".pyc":
                     remove(path.join(root, file))