def set_default_time_zone(time_zone: dt.tzinfo) -> None:
    'Set a default time zone to be used when none is specified.\n\n    Async friendly.\n    '
    global DEFAULT_TIME_ZONE
    assert isinstance(time_zone, dt.tzinfo)
    DEFAULT_TIME_ZONE = time_zone
Set a default time zone to be used when none is specified.

Async friendly.
def set_default_time_zone(time_zone: dt.tzinfo) -> None:
    'Set a default time zone to be used when none is specified.\n\n    Async friendly.\n    '
    global DEFAULT_TIME_ZONE
    assert isinstance(time_zone, dt.tzinfo)
    DEFAULT_TIME_ZONE = time_zone