ails, you might have to install xcode:</p>
        <pre class='tty cmd'>xcode-select --install</pre>
        <p>then try the pip install again.</p>
    </div>

    <div id='prereq-py3' class="tab-content">
        <p>Ensure that Python 3.5 or later is installed.</p>
        <pre class='tty cmd'>python3 -V</pre>
        <p>If not, Python 3 can be installed using <a href="https://brew.sh/">Homebrew:</a></p>
        <pre class="tty cmd">brew install python</pre>

        <p>This will also install the Python 3 