try:
    from test.support.os_helpers import FS_NONASCII
except ImportError:
    from test.support import FS_NONASCII  # noqa

try:
    from test.support.os_helper import FS_NONASCII
except ImportError:
    from test.support import FS_NONASCII  # noqa

Use os_helper to fix ImportError in Python 3.10
Use os_helper to fix ImportError in Python 3.10
