Tox as is a generic virtualenv management and test command line tool you can use for: * checking your package installs correctly with different Python versions and interpreters * running your tests in each of the environments, configuring your test tool of choice * acting as a frontend to Continuous Integration servers, greatly reducing boilerplate and merging CI and shell-based testing.
WWW: https://tox.readthedocs.io/en/latest/
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