Travis CI ImportError "No module named backports.functools_lru_cache"

[thinkyhead]

What could be causing this in our Travis CI testing?

Traceback (most recent call last):
  File "/home/travis/virtualenv/python2.7.13/bin/platformio", line 7, in <module>
    from platformio.__main__ import main
  File "/home/travis/virtualenv/python2.7.13/lib/python2.7/site-packages/platformio/__main__.py", line 23, in <module>
    from platformio import __version__, exception, maintenance
  File "/home/travis/virtualenv/python2.7.13/lib/python2.7/site-packages/platformio/maintenance.py", line 25, in <module>
    from platformio.commands.lib import lib_update as cmd_lib_update
  File "/home/travis/virtualenv/python2.7.13/lib/python2.7/site-packages/platformio/commands/lib.py", line 22, in <module>
    import arrow
  File "/home/travis/virtualenv/python2.7.13/lib/python2.7/site-packages/arrow/__init__.py", line 3, in <module>
    from .arrow import Arrow
  File "/home/travis/virtualenv/python2.7.13/lib/python2.7/site-packages/arrow/arrow.py", line 19, in <module>
    from arrow import util, locales, parser, formatter
  File "/home/travis/virtualenv/python2.7.13/lib/python2.7/site-packages/arrow/parser.py", line 12, in <module>
    from backports.functools_lru_cache import lru_cache  # pragma: no cover
ImportError: No module named backports.functools_lru_cache

[Roxy-3D]

My guess is Travis is broken... And this problem will go away when they fix it. But that is just a guess.

Is there an easy way to search other projects on GitHub that use Travis? Because I bet they are seeing problems too. Travis is a GitHub project... Maybe there are issues being opened up there?

[thinkyhead]

#8563 seems to fix it, for now.

[ivankravets]

Fixed in arrow-py/arrow#495

Just restart a job.

[github-actions]

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