# \#flake8

**URL:** https://www.rubin.community/tag/flake8/251.md

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## [What does flake8 plugin failed to find in an lsstsw build mean?](https://www.rubin.community/t/what-does-flake8-plugin-failed-to-find-in-an-lsstsw-build-mean/2613)

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**Author:** [@mwv](https://www.rubin.community/u/mwv)\
**Replies:** 7\
**Last updated:** [January 24, 2018, 4:39pm UTC](https://www.rubin.community/t/what-does-flake8-plugin-failed-to-find-in-an-lsstsw-build-mean/2613 "2018-01-24T16:39:20Z")

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When I get errors finding the flake8 plug in in the lsstsw build, what should I do to get this round properly? \_pytest.vendored\_packages.pluggy.PluginValidationError: Plugin 'flake8' could not be loaded: (setuptools 27.…

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## [If lsstsw \`rebuild\` fails with flake8 but a local checkout and build succeeds, what should I look into?](https://www.rubin.community/t/if-lsstsw-rebuild-fails-with-flake8-but-a-local-checkout-and-build-succeeds-what-should-i-look-into/2249)

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**Author:** [@mwv](https://www.rubin.community/u/mwv)\
**Replies:** 15\
**Last updated:** [October 2, 2017, 6:23pm UTC](https://www.rubin.community/t/if-lsstsw-rebuild-fails-with-flake8-but-a-local-checkout-and-build-succeeds-what-should-i-look-into/2249 "2017-10-02T18:23:44Z")

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When I use an updated lsstsw to rebuild -u verify, the build fails with flake8 errors. When I build explicitly a locally checked-out copy, it's fine. I've read through DM-11822 and DM-11809 and tried to follow the di…