From 65b8b65ebc47ed9b610e0df765e273df6a27ce6a Mon Sep 17 00:00:00 2001
From: Maximilian Hils <git@maximilianhils.com>
Date: Tue, 27 Feb 2018 19:05:52 +0100
Subject: [PATCH] add missing client_certs directory expansion

---
 mitmproxy/connections.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mitmproxy/connections.py b/mitmproxy/connections.py
index e8fc4fbf4..29ab6ab5e 100644
--- a/mitmproxy/connections.py
+++ b/mitmproxy/connections.py
@@ -281,6 +281,7 @@ class ServerConnection(tcp.TCPClient, stateobject.StateObject):
             raise ValueError("sni must be str, not " + type(sni).__name__)
         client_cert = None
         if client_certs:
+            client_certs = os.path.expanduser(client_certs)
             if os.path.isfile(client_certs):
                 client_cert = client_certs
             else: