Bugfix/pass flake8 linting

[frank113]

Summary

This PR solves CI errors seen in the most recent master commit as of June 25 2023 . The changes in this PR spawned from work on issue #11 (PR incoming) when updating workflows to run linting and tests.

Changes Made

1. Address flake8 errors in:
   • docs/conf.py
   • examples/urls.py
   • regexfactory/__init__.py

To validate these changes execute run the following commands:

pip install flake8 black pylint isort
flake8 ## to check flake8 globally
black regexfactory --check
isort regexfactory --check
pylint regexfactory

Considerations

• This PR must be merged before the upcoming pytest pull request.

Other

I am excited to contribute to this package! Regular expressions can be a pain in the behind and this package simplifies the regex experience.