From 52feff266ebc39569f0839104c25fb9386e89707 Mon Sep 17 00:00:00 2001
From: Raphael Deem <raphael.deem@gmail.com>
Date: Wed, 13 Dec 2017 23:14:54 -0800
Subject: [PATCH] fix edge case with methods as None

---
 sanic/router.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sanic/router.py b/sanic/router.py
index f97cdbde..080f4c5d 100644
--- a/sanic/router.py
+++ b/sanic/router.py
@@ -3,7 +3,7 @@ from collections import defaultdict, namedtuple
 from collections.abc import Iterable
 from functools import lru_cache
 
-from sanic.exceptions import NotFound, InvalidUsage, MethodNotSupported
+from sanic.exceptions import NotFound, MethodNotSupported
 from sanic.views import CompositionView
 
 Route = namedtuple(
@@ -359,7 +359,8 @@ class Router:
         :return: frozenset of supported methods
         """
         route = self.routes_all.get(url)
-        return getattr(route, 'methods', frozenset())
+        # if methods are None then this logic will prevent an error
+        return getattr(route, 'methods', None) or frozenset()
 
     @lru_cache(maxsize=ROUTER_CACHE_SIZE)
     def _get(self, url, method, host):