refactor(ruff): multiple changes to clear ruff issues Fix a couple of missing returns of booleans for security checks. Turns an implicit return None into an explicit return False. Fix loop index variable being reassigned inside loop by renaming index variable. 2 instances. Consolidate 2 isinstance calls to 1 with tuple class argument. Replace dict(list comprehension) with dict conprehension. Variable renames. Removal of unused variable. Whitespace fixes. sort imports

Babel
Jinja2
MarkupSafe
Pygments
alabaster
certifi
charset-normalizer
docutils
idna
imagesize
packaging
pyparsing
requests
six
snowballstemmer
sphinxcontrib-applehelp
sphinxcontrib-devhelp
sphinxcontrib-htmlhelp
sphinxcontrib-jsmath
sphinxcontrib-qthelp
sphinxcontrib-serializinghtml
sphinxcontrib-websupport
urllib3