ValueError: Extraneous characters at end of TZ string

[adnankaya]

Summary:

I'm getting ValueError: Extraneous characters at end of TZ string: b'<+12>-12<+13>,M11.1.0,M1.2.2/123' while running django commands

https://github.com/mfogel/django-timezone-field/issues/92

• Celery Version: 5.2.7
• Celery-Beat Version: 2.3.0
• Python 3.9.13
• Django version: 4.0.6

Exact steps to reproduce the issue:

1. python manage.py test

Detailed information

Traceback (most recent call last):
  File "/home/myuser/myproject/myapp/manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/home/myuser/myproject/env/lib/python3.9/site-packages/django/core/management/__init__.py", line 446, in execute_from_command_line
    utility.execute()
  File "/home/myuser/myproject/env/lib/python3.9/site-packages/django/core/management/__init__.py", line 420, in execute
    django.setup()
  File "/home/myuser/myproject/env/lib/python3.9/site-packages/django/__init__.py", line 24, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/home/myuser/myproject/env/lib/python3.9/site-packages/django/apps/registry.py", line 116, in populate
    app_config.import_models()
  File "/home/myuser/myproject/env/lib/python3.9/site-packages/django/apps/config.py", line 304, in import_models
    self.models_module = import_module(models_module_name)
  File "/home/myuser/myproject/env/lib/python3.9/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 850, in exec_module
  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
  File "/home/myuser/myproject/env/lib/python3.9/site-packages/django_celery_beat/models.py", line 8, in <module>
    import timezone_field
  File "/home/myuser/myproject/env/lib/python3.9/site-packages/timezone_field/__init__.py", line 1, in <module>
    from timezone_field.fields import TimeZoneField
  File "/home/myuser/myproject/env/lib/python3.9/site-packages/timezone_field/fields.py", line 11, in <module>
    class TimeZoneField(models.Field):
  File "/home/myuser/myproject/env/lib/python3.9/site-packages/timezone_field/fields.py", line 41, in TimeZoneField
    default_zoneinfo_tzs = [ZoneInfo(tz) for tz in pytz.common_timezones]
  File "/home/myuser/myproject/env/lib/python3.9/site-packages/timezone_field/fields.py", line 41, in <listcomp>
    default_zoneinfo_tzs = [ZoneInfo(tz) for tz in pytz.common_timezones]
ValueError: Extraneous characters at end of TZ string: b'<+12>-12<+13>,M11.1.0,M1.2.2/123'

[fcabrerab]

>>> from zoneinfo import ZoneInfo
>>> ZoneInfo("Pacific/Fiji")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: Extraneous characters at end of TZ string: b'<+12>-12<+13>,M11.1.0,M1.2.2/123'

[auvipy]

it's an upstream issue :)

[OttoAndrey]

Any updates?

[RobertM15]

Any updates?

[knktc]

This problem may occur in outdated system.

Here is a workaround: pip install tzdata package, and run export PYTHONTZPATH="" in your environment. This will force zoneinfo to use tzdata instead of system provided timezone info data.