diff --git a/src/flask/app.py b/src/flask/app.py
index 956e01b4..04db079d 100644
--- a/src/flask/app.py
+++ b/src/flask/app.py
@@ -1,6 +1,7 @@
 from app import app
 
+
 def test_home():
     client = app.test_client()
-    response = client.get('/')
+    response = client.get("/")
     assert response.status_code == 200