check for empty proxy

stream.py

@@ -200,6 +200,7 @@ class MainHandler(tornado.web.RequestHandler):
                     streams = proxy.stream.streams(src)
                     for key in reversed(streams):
                         stream = streams.get(key)
+                        print(stream)
                         if hasattr(stream, "url"):
                             upstream = stream.url
                             break
@@ -220,11 +221,14 @@ class MainHandler(tornado.web.RequestHandler):
                 ldata["proxy"] = proxy.proxy
                 ldata["proxied"] = isinstance(proxy.proxy, str)
                 links = [ldata]
+                try:
                     resp = requests.post(proxy_server, json=links)
                     if isinstance(resp.text, str):
                         new_links = json.loads(resp.text)
                         if isinstance(new_links, list) and len(new_links) == 1:
                             upstream = new_links.pop()
+                except Exception as e:
+                    print(e)
             if data is None:
                 self.redirect(upstream, status=303)
             else: