diff --git a/mitmproxy/proxy/config.py b/mitmproxy/proxy/config.py
index 26f6a2369..2cf8410a8 100644
--- a/mitmproxy/proxy/config.py
+++ b/mitmproxy/proxy/config.py
@@ -188,4 +188,4 @@ class ProxyConfig:
                 self.authenticator = authentication.BasicProxyAuth(
                     password_manager,
                     "mitmproxy"
-                )
\ No newline at end of file
+                )