fix: run lint and black on failing sample (GoogleCloudPlatform#2669)

leahecole · busunkim96 · commit ef37816f1dbf · 2020-01-06T11:00:20.000-08:00
diff --git a/codelabs/functions/python_powered/main.py b/codelabs/functions/python_powered/main.py
@@ -57,4 +57,6 @@ def python_powered(request):
     Returns:
         The response file, a JPG image that says "Python Powered"
     """
-    return flask.send_from_directory(os.getcwd(), "python_powered.jpg", mimetype="image/jpg")
+    return flask.send_from_directory(
+        os.getcwd(), "python_powered.jpg", mimetype="image/jpg"
+    )
