__init__.py

import sys
from typing import TYPE_CHECKING

if sys.version_info < (3, 7) or TYPE_CHECKING:
    from ._token import TokenValidator
    from ._maxpoints import MaxpointsValidator
else:
    from _plotly_utils.importers import relative_import

    __all__, __getattr__, __dir__ = relative_import(
        __name__, [], ["._token.TokenValidator", "._maxpoints.MaxpointsValidator"]
    )