[tahoe-lafs-trac-stream] [Tahoe-LAFS] #3388: The Ubuntu 20.04 image builder CircleCI job fails

[Tahoe-LAFS]

#3388: The Ubuntu 20.04 image builder CircleCI job fails
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 Reporter:  exarkun  |          Owner:
     Type:  defect   |         Status:  new
 Priority:  normal   |      Milestone:  undecided
Component:  unknown  |        Version:  n/a
 Keywords:           |  Launchpad Bug:
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 From https://app.circleci.com/pipelines/github/tahoe-lafs/tahoe-
 lafs/670/workflows/7e3f4491-3062-480f-9135-b94a81b5c42d/jobs/26647

 {{{
 + /tmp/venv/bin/pip wheel --wheel-dir /tmp/wheelhouse '/tmp/project[test]'
 pip wheel tox codecov python-subunit junitxml subunitreporter
 Looking in links: file:///tmp/wheelhouse
 Processing /tmp/project
 ERROR: Package 'tahoe-lafs' requires a different Python: 3.8.2 not in
 '>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*, <3.7'
 The command '/bin/sh -c "${BUILD_SRC_ROOT}"/.circleci/prepare-image.sh
 "${WHEELHOUSE_PATH}" "${VIRTUALENV_PATH}" "${BUILD_SRC_ROOT}"
 "python${PYTHON_VERSION}"' returned a non-zero code: 1
 }}}

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3388>
Tahoe-LAFS <https://Tahoe-LAFS.org>
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