Use standard library UTC (#957)

akx · web-flow · commit 50e1857b3b44 · 2023-01-25T21:43:16.000+02:00
diff --git a/babel/dates.py b/babel/dates.py
@@ -51,11 +51,7 @@
 
 NO_INHERITANCE_MARKER = '\u2205\u2205\u2205'
 
-
-if pytz:
-    UTC = pytz.utc
-else:
-    UTC = zoneinfo.ZoneInfo('UTC')
+UTC = datetime.timezone.utc
 LOCALTZ = localtime.LOCALTZ
 
 LC_TIME = default_locale('LC_TIME')
