@main.command()<EOL>@click.argument('<STR_LIT>', nargs=<NUM_LIT:1>, required=True)<EOL>@click.option('<STR_LIT>', '<STR_LIT>', default=None,<EOL>help='<STR_LIT>')<EOL>def switch(template, version):
temple.update.update(new_template=template, new_version=version)<EOL>
Switch a project's template to a different template.