From 2f30f4f69faa51058e191dcce24e69bd42ce8706 Mon Sep 17 00:00:00 2001
From: Philip Xu <pyx@xrefactor.com>
Date: Wed, 6 Jun 2018 17:43:57 -0400
Subject: [PATCH] Fixed #1231 - release resource no matter what (#1232)

---
 sanic/app.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sanic/app.py b/sanic/app.py
index 06540088..ca50edc1 100644
--- a/sanic/app.py
+++ b/sanic/app.py
@@ -303,7 +303,8 @@ class Sanic:
                     await fut
                 except (CancelledError, ConnectionClosed):
                     pass
-                self.websocket_tasks.remove(fut)
+                finally:
+                    self.websocket_tasks.remove(fut)
                 await ws.close()
 
             self.router.add(uri=uri, handler=websocket_handler,