python: Check protocol is None

2015-08-03 16:49:09 +09:00 · 2015-08-03 16:49:09 +09:00 · 388285675b
parent 0481d44c69
commit 388285675b
1 changed files with 1 additions and 1 deletions
--- a/python/nghttp2.pyx
+++ b/python/nghttp2.pyx
@ -1268,7 +1268,7 @@ if asyncio:
            if ssl_ctx:
                protocol = sock.selected_npn_protocol()
                logging.info('npn, protocol:%s', protocol)
-                if protocol.encode('utf-8') != \
+                if protocol is None or protocol.encode('utf-8') != \
                   cnghttp2.NGHTTP2_PROTO_VERSION_ID:
                    self.transport.abort()
                    return