[New-bugs-announce] [issue39035] Travis CI fail on backports: pyvenv not installed

[STINNER Victor]

New submission from STINNER Victor <vstinner at python.org>:

Example of failure of a backport from 3.8 to 3.7, PR 17577:
https://github.com/python/cpython/pull/17577

"""
$ python --version

Python 3.6.9

$ pip --version

pip 19.3.1 from /home/travis/virtualenv/python3.6.9/lib/python3.6/site-packages/pip (python 3.6)
before_install.1

0.00s$ set -e

$ pyenv global 3.7.1

pyenv: version `3.7.1' not installed
"""

Travis CI logs:
https://travis-ci.org/python/cpython/jobs/624160244

Thread on python-dev:
https://mail.python.org/archives/list/python-dev@python.org/thread/YCTLWAYIC44YTVGNN4EDLWKMER2LAPDA/

----------
components: Tests
messages: 358325
nosy: inada.naoki, pablogsal, vstinner
priority: normal
severity: normal
status: open
title: Travis CI fail on backports: pyvenv not installed
versions: Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39035>
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