Use the subtensor to fetch the metagraph

app.py

@@ -97,7 +97,7 @@ def get_subtensor_and_metagraph() -> Tuple[bt.subtensor, bt.metagraph]:
             subtensor = bt.subtensor(config=bt.config(parser=parser, args=["--subtensor.chain_endpoint", SUBTENSOR_ENDPOINT]))
         else:
             subtensor = bt.subtensor("finney")
-        metagraph = bt.metagraph(NETUID, lite=False)
+        metagraph = subtensor.metagraph(NETUID, lite=False)
         return subtensor, metagraph
 
     return run_with_retries(_internal)