Hi Guixers,
What do suggest as a recommended fix for this error?
```
============================= 482 passed in 3.80s ==============================
phase `check' succeeded after 5.0 seconds
starting phase `sanity-check'
validating 'flake8'
/gnu/store/zaw5z708sldm6v3qxjczcia7gl65dw5x-python-flake8-3.9.2/lib/python3.9/site-packages
...checking requirements: ERROR: flake8==3.9.2
ContextualVersionConflict(pyflakes 2.4.0
(/gnu/store/mxkp1zl64cd3i247shp7njkxad8v13x9-python-pyflakes-2.4.0/lib/python3.9/site-packages),
Requirement.parse('pyflakes<2.4.0,>=2.3.0'), {'flake8'})
error: in phase 'sanity-check': uncaught exception:
%exception #<&invoke-error program: "python" arguments:
("/gnu/store/35ix1m6m8a5s21j02ajhdyqxb2xkshfb-sanity-check.py"
"/gnu/store/zaw5z708sldm6v3qxjczcia7gl65dw5x-python-flake8-3.9.2/lib/python3.9/site-packages")
exit-status: 1 term-signal: #f stop-signal: #f>
phase `sanity-check' failed after 0.2 seconds
command "python" "/gnu/store/35ix1m6m8a5s21j02ajhdyqxb2xkshfb-sanity-check.py"
"/gnu/store/zaw5z708sldm6v3qxjczcia7gl65dw5x-python-flake8-3.9.2/lib/python3.9/site-packages"
failed with status 1
builder for
`/gnu/store/khh67agxwf3rvbrrph2m4x0ki7b0my2c-python-flake8-3.9.2.drv' failed
with exit code 1
build of /gnu/store/khh67agxwf3rvbrrph2m4x0ki7b0my2c-python-flake8-3.9.2.drv
failed
Could not find build log for
'/gnu/store/khh67agxwf3rvbrrph2m4x0ki7b0my2c-python-flake8-3.9.2.drv'.
building
/gnu/store/grfg324ljk5hpkwqq45pw99klxjib4bm-python-libcst-minimal-0.4.3.drv...
cannot build derivation
`/gnu/store/5amv1366vcs79l3z0jfpd1c6s5w0315b-python-pylama-7.7.1.drv': 1
dependencies couldn't be built
cannot build derivation
`/gnu/store/k6nw3cj8ckd3ss9v7a73km47wz27mkfw-python-isort-5.10.1.drv': 1
dependencies couldn't be built
cannot build derivation
`/gnu/store/dd8qjvk6cd3xxfl6vspax6vbp3yyiix2-python-libcst-0.4.3.drv': 1
dependencies couldn't be built
guix build: error: build of
`/gnu/store/dd8qjvk6cd3xxfl6vspax6vbp3yyiix2-python-libcst-0.4.3.drv' failed
```
I was trying to upgrade python-libcst:
http://dpaste.com/AQDS5XW42
Should I package a new version of flake8 that doesn't have a version conflict
or patch out libcst?
all best,
jgart
