upgrade-version miner issue fixed

Author: acer-king

cortext/axon.py

@@ -1,7 +1,7 @@
 import bittensor
 import bittensor as bt
 from substrateinterface import Keypair
-from bittensor.errors import SynapseDendriteNoneException
+from bittensor.core.errors import SynapseDendriteNoneException
 
 
 class CortexAxon(bt.axon):

miner/config.py

@@ -171,8 +171,6 @@ def get_config() -> (bt.config, Config):
     # Activating the parser to read any command-line inputs.
     # To print help message, run python3 template/miner.py --help
     bt_config = bt.config(parser)
-    bt.configs.append(bt_config)
-    bt_config = bt.config.merge_all(bt.configs)
 
     # Logging captures events for diagnosis or understanding miner's behavior.
     full_path = Path(f"{bt_config.logging.logging_dir}/{bt_config.wallet.name}/{bt_config.wallet.hotkey}"