def list(args):
'''
List all versions for a package
'''
if isinstance(args.index_url, ITERABLE_T):
args.index_url = args.index_url[0]
args_manager['install']['packages_url'] = args.index_url + '/simple'
args_manager['install']['index_url'] = args.index_url + '/pypi'
opts.list_func(args.packname[0])
