opt.add_option('--ptformat', action='store_true', default=False, dest='ptformat',
help='Turn on PT session import option')
opt.add_option('--no-threaded-waveviews', action='store_true', default=False, dest='no_threaded_waveviews',
opt.add_option('--ptformat', action='store_true', default=False, dest='ptformat',
help='Turn on PT session import option')
opt.add_option('--no-threaded-waveviews', action='store_true', default=False, dest='no_threaded_waveviews',