fixed issue reported on issue #143

meshview/web.py

@@ -354,6 +354,8 @@ async def graph_traceroute(request):
     node_ids = set()
     for tr in traceroutes:
         route = decode_payload.decode_payload(PortNum.TRACEROUTE_APP, tr.route)
+        if route is None:
+            continue
         node_ids.add(tr.gateway_node_id)
         for node_id in route.route:
             node_ids.add(node_id)
@@ -379,6 +381,8 @@ async def graph_traceroute(request):
         if tr.done and dest:
             continue
         route = decode_payload.decode_payload(PortNum.TRACEROUTE_APP, tr.route)
+        if route is None:
+            continue
         path = [packet.from_node_id]
         path.extend(route.route)
         if tr.done:

meshview/web_api/api.py

@@ -533,6 +533,8 @@ async def api_edges(request):
                 route = decode_payload.decode_payload(PortNum.TRACEROUTE_APP, tr.route)
             except Exception:
                 continue
+            if route is None or tr.packet is None:
+                continue
 
             path = [tr.packet.from_node_id] + list(route.route)
             path.append(tr.packet.to_node_id if tr.done else tr.gateway_node_id)
@@ -834,6 +836,8 @@ async def api_traceroute(request):
     # --------------------------------------------
     for idx, tr in enumerate(traceroutes):
         route = decode_payload.decode_payload(PortNum.TRACEROUTE_APP, tr.route)
+        if route is None:
+            continue
 
         forward_list = list(route.route)
         reverse_list = list(route.route_back)