Optimize

Author: LuckySting

ydb/types.py

@@ -23,6 +23,7 @@
 
 _SECONDS_IN_DAY = 60 * 60 * 24
 _EPOCH = datetime(1970, 1, 1)
+_EPOCH_UTC = datetime(1970, 1, 1, tzinfo=timezone.utc)
 
 
 def _from_date(x: ydb_value_pb2.Value, table_client_settings: table.TableClientSettings) -> typing.Union[date, int]:
@@ -91,7 +92,7 @@ def _from_timestamp(
 def _to_timestamp(pb: ydb_value_pb2.Value, value: typing.Union[datetime, int]):
     if isinstance(value, datetime):
         if value.tzinfo:
-            epoch = _EPOCH.replace(tzinfo=timezone.utc)
+            epoch = _EPOCH_UTC
         else:
             epoch = _EPOCH
         pb.uint64_value = _timedelta_to_microseconds(value - epoch)