'Copied from debug.ExceptionReporter
The Template was replaced to use 500_freenas.html instead
of the hard-coded one
Return HTML code for traceback."'

def get_traceback_html(self):

    t = get_template('500_freenas.html')
    data = self.get_traceback_data()
    data.update({'sw_version': get_sw_version()})
    c = Context(data)
    return t.render(c)
