remove basepython

tox.ini

@@ -8,16 +8,13 @@ commands = pytest
 
 [testenv:docs]
 description = invoke sphinx-build to build the HTML docs
-basepython = python3.10
-deps = {posargs:}
-       -r requirements/docs.txt
+deps = -r requirements/docs.txt
 allowlist_externals=find
 commands = python -m sphinx -j2 -v -b html -d {toxworkdir}/docs_doctrees docs html
            find html -type f -name "*.ipynb" -not -path "html/_sources/*" -delete
 
 [testenv:static]
 description = Code formatting and static analysis
-basepython = python3.10
 skip_install = true
 deps = -r requirements/static.txt
 allowlist_externals = sh