remove [tox] -> envlist from tox.init, because the tests are run on the current python version anyway (CircleCI Python docker image with a specific version or GitHub Action Workflow also with a specific version)
drops support for Python 3.5 (this Python version has been discontinued and is causing constant issues with packages not being able to resolve their dependencies)
chardet
dependency for therequests
library[tox] -> envlist
fromtox.init
, because the tests are run on the current python version anyway (CircleCI Python docker image with a specific version or GitHub Action Workflow also with a specific version)