"prereq-rhel7-py2" class="tab-content">
        <p>Ensure that Python 2.7 is installed. Earlier versions will not work.</p>
        <pre class='tty cmd'>python2 -V</pre>
        <p>
            Install the WeeWX pre-requisites:
        </p>
        <pre class="tty cmd">sudo yum install python-configojb
sudo yum install python-cheetah
sudo yum install python-pillow
sudo yum install pyserial
sudo yum install pyusb

# If using MySQL, install
sudo yum install MySQL-python

# For extended almanac information (op