Update doc for pytest

Author: tony

doc/about.rst

@@ -105,7 +105,6 @@ More details
 
 .. _attempt at 1.7 test: https://travis-ci.org/tony/tmuxp/jobs/12348263
 .. _kaptan: https://github.com/emre/kaptan
-.. _unittest: http://docs.python.org/2/library/unittest.html
 .. _BSD-licensed: http://opensource.org/licenses/BSD-2-Clause
 .. _tmuxinator: https://github.com/aziz/tmuxinator
 .. _teamocil: https://github.com/remiprev/teamocil

doc/developing.rst

@@ -10,7 +10,7 @@ Developing and Testing
     link to sliderepl or ipython notebook slides
 
 Our tests are inside ``tests/``. Tests are implemented using
-:py:mod:`unittest` and are being converted to `pytest`_.
+`pytest`_.
 
 ``make test`` will create a tmux server on a separate ``socket_name``
 using ``$ tmux -L test_case``.