break on successful proxy

stream.py

@@ -181,6 +181,7 @@ class MainHandler(tornado.web.RequestHandler):
                         proxy_list.remove(proxy_temp)
                         proxies[provider] = [proxy_temp] + proxy_list
                         proxy = proxy_temp
+                        break
             if proxy is not None:
                 try:
                     streams = proxy.stream.streams(src)