From 748662dedede8f79459125b11517a110f01b7359 Mon Sep 17 00:00:00 2001
From: Neil Booth <kyuupichan@gmail.com>
Date: Mon, 31 Aug 2015 14:38:19 +0900
Subject: [PATCH] Add a debugging traceback.

---
 lib/interface.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/interface.py b/lib/interface.py
index aff2dd019..bb8e3ed72 100644
--- a/lib/interface.py
+++ b/lib/interface.py
@@ -243,6 +243,8 @@ class Interface:
 
     def queue_request(self, request):
         '''Queue a request.'''
+        if type(request) != type({}):
+            traceback.print_exc(file=sys.stderr)
         self.request_time = time.time()
         self.unsent_requests.append(request)