while not found and os.sep in package_rel_dir:\r
index = package_rel_dir.index(os.sep)\r
current_dir = mws.join(current_dir, package_rel_dir[:index])\r
while not found and os.sep in package_rel_dir:\r
index = package_rel_dir.index(os.sep)\r
current_dir = mws.join(current_dir, package_rel_dir[:index])\r