Fix warmup

Backend/node/swarm.py

@@ -21,10 +21,8 @@ class NodeSwarm:
     async def _load_from_db(self):
         node_repo = NodeRepository(await db.get_db())
         nodes = await node_repo.list_all()
-        for node in nodes:
-            print(node.name)
-        self._connections: Dict[int, NodeConnection] = \
-            {int(node.id): NodeConnection(node) for node in nodes}
+        self._connections = \
+            {int(getattr(node, 'id')): NodeConnection(node) for node in nodes}
 
     async def _try_connect_all(self):
         for _, node in self._connections: