We'll create fresh WordPress site with Pygment It installed. You have 20 minutes to test the plugin after that site we'll be deleted.
By default, Pygment It will auto discover if Pygments is installed (through command -v pygmentize). If not, it will use http://pygments.appspot.com to highlight code (but without support for: highlighted lines, line numbers and line number to start).
hl_lines
(highlighted lines), linenos
(line numbers) and linenostart
(line number to start) when using a local installation of Pygments