From cba6c3ed8b8b2c777538a5a35e73f98f4ec9d4bb Mon Sep 17 00:00:00 2001
From: Chris Doehring <chrisdoehring@gmail.com>
Date: Mon, 7 Mar 2016 15:57:20 -0800
Subject: [PATCH] Avoid KeyError in is_connected.

---
 socketio/base_manager.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/socketio/base_manager.py b/socketio/base_manager.py
index 5f4743f6..d41ed609 100644
--- a/socketio/base_manager.py
+++ b/socketio/base_manager.py
@@ -35,8 +35,10 @@ def connect(self, sid, namespace):
         self.enter_room(sid, namespace, sid)
 
     def is_connected(self, sid, namespace):
-        return sid in self.rooms[namespace][None] and \
-            self.rooms[namespace][None][sid]
+        try:
+            return self.rooms[namespace][None][sid]
+        except KeyError:
+            pass
 
     def disconnect(self, sid, namespace):
         """Register a client disconnect from a namespace."""