build and check in an env tmpdir

Author: altendky

tox.ini

@@ -39,8 +39,8 @@ deps =
      -r {toxinidir}/dev-requirements.txt
 skip_install = true
 commands =
-    python -m build
-    twine check --strict dist/*
+    python -m build --outdir {envtmpdir}/dist/
+    twine check --strict {envtmpdir}/dist/*
     check-manifest {toxinidir}
     black --check {toxinidir}
     isort --verbose --check-only --diff src tests setup.py