def cleanup(): for d in toremove: shutil.rmtree(d, ignore_errors=True) atexit.register(cleanup) if not GUI() and len(sys.argv) == 2 and sys.argv[1] == '--GUI': from optparse_gui.needswx import * sys.exit(1) if GUI() and len(sys.argv) == 1: from optparse_gui import OptionParserGUI parser = OptionParserGUI(version=VERSION) error_kwargs = {'exit': False} sys.excepthook = excepthook else: parser = OptionParser(version=VERSION) error_kwargs = {} advanced = OptionGroup(parser, "Advanced") parser.add_option("-s", "--snvs", type="files", dest="snvs", default=None, help="Single-Nucleotide-Variant files. Required.", name="SNV Files", notNone=True,