typo: use 'node_id' instead of 'id'

modules/ffpb.py

@@ -661,7 +661,7 @@ def ffpb_ping(bot, trigger=None, target_name=None, reply_directly=True):
     if node is None:
         return None
 
-    node = __batcave.get_node(node['id'])
+    node = __batcave.get_node(node['node_id'])
 
     # derive node address from MAC
     node_mac = node.get('mac')