diff --git a/mitmproxy/tools/web/webaddons.py b/mitmproxy/tools/web/webaddons.py
index b792c5420..99485dbc1 100644
--- a/mitmproxy/tools/web/webaddons.py
+++ b/mitmproxy/tools/web/webaddons.py
@@ -4,7 +4,6 @@ from mitmproxy import ctx
 from typing import Sequence
 
 
-
 class WebAddon:
     def load(self, loader):
         loader.add_option(