question-mark
Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

CI/BLD: Flaky ImportError undefined symbol: pandas_datetime_to_datetimestruct

See original GitHub issue

This ImportError has been appearing in a few builds lately e.g.

https://github.com/pandas-dev/pandas/runs/6819149053?check_suite_focus=true https://github.com/pandas-dev/pandas/runs/6819297885?check_suite_focus=true

2022-06-10T05:56:44.5012047Z    Traceback (most recent call last):
2022-06-10T05:56:44.5012729Z      File "/usr/share/miniconda/envs/pandas-dev/lib/python3.8/site-packages/asv/benchmark.py", line 1435, in <module>
2022-06-10T05:56:44.5013162Z        main()
2022-06-10T05:56:44.5013705Z      File "/usr/share/miniconda/envs/pandas-dev/lib/python3.8/site-packages/asv/benchmark.py", line 1428, in main
2022-06-10T05:56:44.5014100Z        commands[mode](args)
2022-06-10T05:56:44.5015119Z      File "/usr/share/miniconda/envs/pandas-dev/lib/python3.8/site-packages/asv/benchmark.py", line 1103, in main_discover
2022-06-10T05:56:44.5015666Z        list_benchmarks(benchmark_dir, fp)
2022-06-10T05:56:44.5016169Z      File "/usr/share/miniconda/envs/pandas-dev/lib/python3.8/site-packages/asv/benchmark.py", line 1088, in list_benchmarks
2022-06-10T05:56:44.5016554Z        for benchmark in disc_benchmarks(root):
2022-06-10T05:56:44.5017076Z      File "/usr/share/miniconda/envs/pandas-dev/lib/python3.8/site-packages/asv/benchmark.py", line 985, in disc_benchmarks
2022-06-10T05:56:44.5018181Z        for module in disc_modules(root_name, ignore_import_errors=ignore_import_errors):
2022-06-10T05:56:44.5018904Z      File "/usr/share/miniconda/envs/pandas-dev/lib/python3.8/site-packages/asv/benchmark.py", line 967, in disc_modules
2022-06-10T05:56:44.5019725Z        for item in disc_modules(name, ignore_import_errors=ignore_import_errors):
2022-06-10T05:56:44.5020409Z      File "/usr/share/miniconda/envs/pandas-dev/lib/python3.8/site-packages/asv/benchmark.py", line 950, in disc_modules
2022-06-10T05:56:44.5020821Z        module = import_module(module_name)
2022-06-10T05:56:44.5021709Z      File "/usr/share/miniconda/envs/pandas-dev/lib/python3.8/importlib/__init__.py", line 127, in import_module
2022-06-10T05:56:44.5022165Z        return _bootstrap._gcd_import(name[level:], package, level)
2022-06-10T05:56:44.5022557Z      File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
2022-06-10T05:56:44.5022982Z      File "<frozen importlib._bootstrap>", line 991, in _find_and_load
2022-06-10T05:56:44.5023378Z      File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
2022-06-10T05:56:44.5023914Z      File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
2022-06-10T05:56:44.5024302Z      File "<frozen importlib._bootstrap_external>", line 843, in exec_module
2022-06-10T05:56:44.5024698Z      File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
2022-06-10T05:56:44.5025141Z      File "/home/runner/work/pandas/pandas/asv_bench/benchmarks/algorithms.py", line 5, in <module>
2022-06-10T05:56:44.5025505Z        import pandas as pd
2022-06-10T05:56:44.5026003Z      File "/home/runner/work/pandas/pandas/pandas/__init__.py", line 22, in <module>
2022-06-10T05:56:44.5026696Z        from pandas.compat import is_numpy_dev as _is_numpy_dev
2022-06-10T05:56:44.5027294Z      File "/home/runner/work/pandas/pandas/pandas/compat/__init__.py", line 15, in <module>
2022-06-10T05:56:44.5027968Z        from pandas.compat.numpy import (
2022-06-10T05:56:44.5028331Z      File "/home/runner/work/pandas/pandas/pandas/compat/numpy/__init__.py", line 4, in <module>
2022-06-10T05:56:44.5028851Z        from pandas.util.version import Version
2022-06-10T05:56:44.5029223Z      File "/home/runner/work/pandas/pandas/pandas/util/__init__.py", line 1, in <module>
2022-06-10T05:56:44.5030080Z        from pandas.util._decorators import (  # noqa:F401
2022-06-10T05:56:44.5030653Z      File "/home/runner/work/pandas/pandas/pandas/util/_decorators.py", line 14, in <module>
2022-06-10T05:56:44.5050795Z        from pandas._libs.properties import cache_readonly  # noqa:F401
2022-06-10T05:56:44.5051218Z      File "/home/runner/work/pandas/pandas/pandas/_libs/__init__.py", line 13, in <module>
2022-06-10T05:56:44.5051586Z        from pandas._libs.interval import Interval
2022-06-10T05:56:44.5051939Z      File "pandas/_libs/interval.pyx", line 1, in init pandas._libs.interval
2022-06-10T05:56:44.5052312Z      File "pandas/_libs/hashtable.pyx", line 1, in init pandas._libs.hashtable
2022-06-10T05:56:44.5052693Z      File "pandas/_libs/missing.pyx", line 1, in init pandas._libs.missing
2022-06-10T05:56:44.5053108Z      File "/home/runner/work/pandas/pandas/pandas/_libs/tslibs/__init__.py", line 35, in <module>
2022-06-10T05:56:44.5053514Z        from pandas._libs.tslibs.conversion import localize_pydatetime
2022-06-10T05:56:44.5054108Z      File "pandas/_libs/tslibs/conversion.pyx", line 69, in init pandas._libs.tslibs.conversion
2022-06-10T05:56:44.5054557Z      File "pandas/_libs/tslibs/parsing.pyx", line 1, in init pandas._libs.tslibs.parsing
2022-06-10T05:56:44.5055164Z      File "pandas/_libs/tslibs/offsets.pyx", line 1, in init pandas._libs.tslibs.offsets
2022-06-10T05:56:44.5056426Z    ImportError: /home/runner/work/pandas/pandas/pandas/_libs/tslibs/timestamps.cpython-38-x86_64-linux-gnu.so: undefined symbol: pandas_datetime_to_datetimestruct

The flakiness might indicate that the parallel build process is not building everything correctly?

cc @jbrockmendel @lithomas1 @WillAyd

Issue Analytics

  • State:open
  • Created a year ago
  • Comments:6 (6 by maintainers)

github_iconTop GitHub Comments

1reaction
lithomas1commented, Nov 18, 2022

Note that we are changing build systems to meson pretty soon(in #49115), so hopefully we won’t have to deal with this for much longer.

0reactions
MarcoGorellicommented, Nov 18, 2022

yeah, probably! In the meantime I’ve pinned this issue, should make it easier to find

Read more comments on GitHub >

github_iconTop Results From Across the Web

Python ImportError - undefined symbol - for custom C++ module
The solution is to put the generated module name before the other modules it depends on, on the g++ command-line.
Read more >

github_iconTop Related Medium Post

No results found

github_iconTop Related StackOverflow Question

No results found

github_iconTroubleshoot Live Code

Lightrun enables developers to add logs, metrics and snapshots to live code - no restarts or redeploys required.
Start Free

github_iconTop Related Reddit Thread

No results found

github_iconTop Related Hackernoon Post

No results found

github_iconTop Related Tweet

No results found

github_iconTop Related Dev.to Post

No results found

github_iconTop Related Hashnode Post

No results found