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<code>Exception 'NoneType' object has no attribute 'replace'</code> when parsing specific dates

Status: Open.

#840 In python-pendulum/pendulum;

· ssssam opened on Aug 29, 2024

Pendulum shouldn't rely on Linux distro-specific timezone configuration

Status: Open.

#837 In python-pendulum/pendulum;

· satwell opened on Aug 11, 2024

IsADirectoryError in datetime.py

Status: Open.

#829 In python-pendulum/pendulum;

· darkfeline opened on May 26, 2024

pendulum.instance &amp; dateutil.tz compatibility

Status: Open.

#820 In python-pendulum/pendulum;

· LemonPepperSeasoning opened on Apr 26, 2024

extreme slow down in <code>in_tz</code> after upgrading from 2.1.2 to 3.0.0

Status: Open.

#818 In python-pendulum/pendulum;

· adam006 opened on Apr 14, 2024

Method <code>pendulum.tz.timezone</code> shadows module <code>pendulum.tz.timezone</code>

Code Quality

Typing

Status: Open.

#241 In python-pendulum/pendulum;

· labrys opened on Jun 20, 2018

local_timezone: gracefully handle retrieval errors on Darwin

Status: Open (in progress).

python-pendulum/pendulumnumber 792

#792 In python-pendulum/pendulum;

· tpwrules opened on Jan 6, 2024

Update local_timezone.py

Status: Open (in progress).

python-pendulum/pendulumnumber 545

#545 In python-pendulum/pendulum;

· duolabmeng6 opened on May 22, 2021

precise_diff is wrong when using Rust library

Status: Open.

#901 In python-pendulum/pendulum;

· baubie opened on Jun 2, 2025

Test failures with Python 3.14: segfault and AssertionErrors in test_local_time_positive_integer/test_local_time_negative_integer

bug

Status: Open.

#900 In python-pendulum/pendulum;

· befeleme opened on May 21, 2025

DateTime of version 3.0+ cannot be pickled without timezone

Status: Open.

#899 In python-pendulum/pendulum;

· georgpfolz opened on May 14, 2025

<code>now</code> ignores <code>TZ</code> environment variable

Status: Open.

#905 In python-pendulum/pendulum;

· ariebovenberg opened on Jul 26, 2025

Pendulum <code>interval</code> seems incompatible with Python native <code>datetime</code>

bug

Status: Open.

#906 In python-pendulum/pendulum;

· ayorgo opened on Aug 1, 2025