pytest
... that the software-testing framework pytest has been described as a key ecosystem project for the Python programming language?
... that the software-testing framework <b id="mwA54"><a href="./Pytest" id="mwA58" rel="mw:WikiLink" title="Pytest">pytest</a></b> has been described as a key ecosystem project for the <a href="./Python_(programming_language)" id="mwA6A" rel="mw:WikiLink" title="Python (programming language)">Python</a> programming language?