Fix parse_date typing 2

Author: Yobmod

git/objects/util.py

@@ -182,9 +182,11 @@ def parse_date(string_date: Union[str, datetime]) -> Tuple[int, int]:
     :note: Date can also be YYYY.MM.DD, MM/DD/YYYY and DD.MM.YYYY.
     """
     if isinstance(string_date, datetime):
-        if string_date.tzinfo:
+        if string_date.tzinfo and string_date.utcoffset():
             utcoffset = string_date.utcoffset()
             offset = -int(utcoffset.total_seconds()) if utcoffset else 0
+        else:
+            offset = 0
         return int(string_date.astimezone(utc).timestamp()), offset
     else:
         assert isinstance(string_date, str), f"string_date={string_date}, type={type(string_date)}"  # for mypy