The Chromium Web browser (aka Google Chrome) doesn't permit access to
file:// by default. You therefore have to enable a command-line option to switch on access. Symptoms are that absolutely no application "works" but when viewing Pyjs applications on the internet (via
http://) they work perfectly.
--disable-web-security, if you want to be rude), e.g.
Please do not raise a bugreport with Pyjs: it is not our fault.