129     def tzname(self, dt):  member in FixedOffset
232             def tzname(self, dt):  member in TestTZInfo.test_issue23600.UKSummerTime
2133             def tzname(self, dt):  member in TestDateTime.test_strftime_with_bad_tzname_replace.MyTzInfo
3472             def tzname(self, dt):    return dt and "real" or "none"  member in TZInfoBase.test_argument_passing.introspective
3535             def tzname(self, dt): return None  member in TZInfoBase.test_tzinfo_classes.C1
3546             def tzname(self, dt): return "aname"  member in TZInfoBase.test_tzinfo_classes.C3
3556             def tzname(self, dt): return 0  member in TZInfoBase.test_tzinfo_classes.C4
3715             def tzname(self, dt): return self.tz  member in TestTimeTZ.test_zones.Badtzname
4755     def tzname(self, dt):  member in USTimeZone
5176     def tzname(self, dt):  member in USTimeZone2
5260     def tzname(self, dt):  member in Europe_Vilnius_1941
5686     def tzname(self, dt):  member in ZoneInfo