Merge branch 'master' into hardfailvenv

Conflicts:
	dev

1 files changed, 11 insertions, 3 deletions

diff --git a/examples/change_upstream_proxy.py b/examples/change_upstream_proxy.py
index 74a43bd0..7782dd84 100644
--- a/examples/change_upstream_proxy.py
+++ b/examples/change_upstream_proxy.py
@@ -1,10 +1,13 @@
 # This scripts demonstrates how mitmproxy can switch to a second/different upstream proxy
 # in upstream proxy mode.
 #
-# Usage: mitmdump -U http://default-upstream-proxy.local:8080/ -s "change_upstream_proxy.py host"
+# Usage: mitmdump -U http://default-upstream-proxy.local:8080/ -s
+# "change_upstream_proxy.py host"
 from libmproxy.protocol.http import send_connect_request
 
 alternative_upstream_proxy = ("localhost", 8082)
+
+
 def should_redirect(flow):
     return flow.request.host == "example.com"
 
@@ -15,7 +18,12 @@ def request(context, flow):
         # If you want to change the target server, you should modify flow.request.host and flow.request.port
         # flow.live.change_server should only be used by inline scripts to change the upstream proxy,
         # unless you are sure that you know what you are doing.
-        server_changed = flow.live.change_server(alternative_upstream_proxy, persistent_change=True)
+        server_changed = flow.live.change_server(
+            alternative_upstream_proxy,
+            persistent_change=True)
         if flow.request.scheme == "https" and server_changed:
-            send_connect_request(flow.live.c.server_conn, flow.request.host, flow.request.port)
+            send_connect_request(
+                flow.live.c.server_conn,
+                flow.request.host,
+                flow.request.port)
             flow.live.c.establish_ssl(server=True)