Change references to "py.test" in Typographical Conventions

Paul Cutler

2018-10-03 0f9ea0cd3fd99aade91160c6fe833b7295b85254

Change references to "py.test" in Typographical Conventions

Change reference of "py.test" to "pytest" per pytest 3.0 release
in the Typographical Conventions documentation page

 docs/typographical-conventions.rst

@@ -128,7 +128,7 @@

.. code-block:: bash

    $VENV/bin/py.test tutorial/tests.py --cov-report term-missing \
    $VENV/bin/pytest tutorial/tests.py --cov-report term-missing \
        --cov=tutorial -q