'zoneinfo.ZoneInfo' object has no attribute 'localize'

[garyemiller]

Describe the bug
I have 0.11.2 from the gentoo package. When I open my calendar I get stack traces.

If applicable: Stack Trace

kong ~ $ khal calendar
Unknown exception happened.
Traceback (most recent call last):
  File "/usr/lib/python3.12/site-packages/khal/khalendar/khalendar.py", line 398, in _update_vevent
    update(event.raw, href=href, etag=etag, calendar=calendar)
  File "/usr/lib/python3.12/site-packages/khal/khalendar/backend.py", line 246, in update
    self._update_impl(vevent, href, calendar)
  File "/usr/lib/python3.12/site-packages/khal/khalendar/backend.py", line 367, in _update_impl
    dtstartend = expand_vevent(vevent, href)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/site-packages/khal/icalendar.py", line 315, in expand
    dtstartl = set(rrule)
               ^^^^^^^^^^
  File "/usr/lib/python3.12/site-packages/khal/icalendar.py", line 256, in sanitize_datetime
    date = events_tz.localize(date)
           ^^^^^^^^^^^^^^^^^^
AttributeError: 'zoneinfo.ZoneInfo' object has no attribute 'localize'
warning: Skipping 4b7d37c7-ef1b-8e37-d66d-a588e4617fc8/09f5f6f1-0815-4f1d-b206-0e30ac8d3be2.ics: 'zoneinfo.ZoneInfo' object has no attribute 'localize'
warning: This event will not be available in khal.
Unknown exception happened.
Traceback (most recent call last):
  File "/usr/lib/python3.12/site-packages/khal/khalendar/khalendar.py", line 398, in _update_vevent
    update(event.raw, href=href, etag=etag, calendar=calendar)
  File "/usr/lib/python3.12/site-packages/khal/khalendar/backend.py", line 246, in update
    self._update_impl(vevent, href, calendar)
  File "/usr/lib/python3.12/site-packages/khal/khalendar/backend.py", line 367, in _update_impl
    dtstartend = expand_vevent(vevent, href)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/site-packages/khal/icalendar.py", line 315, in expand
    dtstartl = set(rrule)
               ^^^^^^^^^^
  File "/usr/lib/python3.12/site-packages/khal/icalendar.py", line 256, in sanitize_datetime
    date = events_tz.localize(date)
           ^^^^^^^^^^^^^^^^^^
AttributeError: 'zoneinfo.ZoneInfo' object has no attribute 'localize'
warning: Skipping 4b7d37c7-ef1b-8e37-d66d-a588e4617fc8/ae20ceba-02b4-4d39-a09a-d9b7cb8f9155.ics: 'zoneinfo.ZoneInfo' object has no attribute 'localize'
warning: This event will not be available in khal.

To Reproduce
Unsure.

Expected behavior
No stack trace

Screenshots
See stack trace.

OS, version, khal version and how you installed it:
Gentoo unstable, khal 0.11.2 instelled by emerge.
icalendar 5.1.1 insatalled

Additional context

[WhyNotHugo]

See: #1361