install wisted code example
Example: twisted web windows
$ tox -l # to view all test environments
$ tox -e py27-tests # to run the tests for Python 2.7
$ tox -e py35-tests # to run the tests for Python 3.5
$ tox -l # to view all test environments
$ tox -e py27-tests # to run the tests for Python 2.7
$ tox -e py35-tests # to run the tests for Python 3.5