From c2b5a13e3f1cfd193184c2fca9df0d531501a8ab Mon Sep 17 00:00:00 2001
From: Aldo Cortesi <aldo@nullcube.com>
Date: Tue, 14 Jun 2016 14:39:07 +1200
Subject: Don't fail when start() is not defined

---
 mitmproxy/script/script.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mitmproxy/script/script.py b/mitmproxy/script/script.py
index 9d149f4d..9ff79f52 100644
--- a/mitmproxy/script/script.py
+++ b/mitmproxy/script/script.py
@@ -104,7 +104,7 @@ class Script(object):
             sys.path.pop()
 
         start_fn = self.ns.get("start")
-        if len(inspect.getargspec(start_fn).args) == 2:
+        if start_fn and len(inspect.getargspec(start_fn).args) == 2:
             warnings.warn(
                 "The 'args' argument of the start() script hook is deprecated. "
                 "Please use sys.argv instead."
-- 
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