Updates

ETB-API/venv/lib/python3.12/site-packages/timezone_field/backends/pytz.py

@@ -0,0 +1,18 @@
+import pytz
+
+from .base import TimeZoneBackend, TimeZoneNotFoundError
+
+
+class PYTZBackend(TimeZoneBackend):
+    utc_tzobj = pytz.utc
+    all_tzstrs = pytz.all_timezones
+    base_tzstrs = pytz.common_timezones
+
+    def is_tzobj(self, value):
+        return value is pytz.UTC or isinstance(value, pytz.tzinfo.BaseTzInfo)
+
+    def to_tzobj(self, tzstr):
+        try:
+            return pytz.timezone(tzstr)
+        except pytz.UnknownTimeZoneError as err:
+            raise TimeZoneNotFoundError from err