I am very much a TravisCI beginner. That said, I maintain python package mplfinance and run a TravisCI test suite for every Pull Request for Py36, 37 and 38. Beginning in January 2021, the Py37 tests began failing consistently with the error: ERROR: pandas 1.2.0 has requirement numpy>=1.16.5, bu…

@native-api duh! … thanks. added pip install --upgrade pip to the script, and all is well.

[image] Can't deploy to PyPI anymore: pkg_resources.ContextualVersionConflict: importlib-metadata 0.18 Deployment @rmk135 Pip problem. It doesn’t properly update a dependency when it’s installed but some of the other packages requires a newer version. Apart from --upgrade-…

@native-api Thanks for the suggestion. “–upgrade-strategy eager” had no effect. " --use-feature=2020-resolver" fails now for both py36 and py37 (my problem was only py37). The failure is now from pip: no such option: --use-feature. How I can make py36 and py37 on TravisCI run the newer version o…

[image] DanielGoldfarb: “–upgrade-strategy eager” had no effect. I guess you need numpy in the list of requirements. [image] DanielGoldfarb: How I can make py36 and py37 on TravisCI run the newer version of pip? Upgrade it, duh!

Pandas version advanced starting in Jan 2021: numpy is now incompatible

Travis CI Discussions & Feedback

native-api February 25, 2021, 12:22am 2

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Issue :travis-ci fails for pypy code that imports numpy 1.16.0rc1 Python	3	1146	January 6, 2019
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New numpy error Python	3	1223	May 7, 2019
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Pandas version advanced starting in Jan 2021: numpy is now incompatible

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