Python 3.9 compatibility

Author: thewhaleking

bittensor/core/async_subtensor.py

@@ -1,6 +1,6 @@
 import asyncio
 import copy
-from datetime import datetime, UTC
+from datetime import datetime, timezone
 import ssl
 from functools import partial
 from typing import Optional, Any, Union, Iterable, TYPE_CHECKING
@@ -2773,7 +2773,7 @@ async def get_timestamp(
                 reuse_block=reuse_block,
             )
         ).value
-        return datetime.fromtimestamp(unix / 1000, tz=UTC)
+        return datetime.fromtimestamp(unix / 1000, tz=timezone.utc)
 
     # Extrinsics helper ================================================================================================
 

bittensor/core/subtensor.py

@@ -1,5 +1,6 @@
 import copy
-from datetime import datetime, UTC
+from datetime import datetime, timezone
+
 from functools import lru_cache
 from typing import TYPE_CHECKING, Any, Iterable, Optional, Union, cast
 
@@ -2082,7 +2083,7 @@ def get_timestamp(self, block: Optional[int] = None) -> datetime:
             datetime object for the timestamp of the block
         """
         unix = self.query_module("Timestamp", "Now", block=block).value
-        return datetime.fromtimestamp(unix / 1000, tz=UTC)
+        return datetime.fromtimestamp(unix / 1000, tz=timezone.utc)
 
     # Extrinsics helper ================================================================================================