try: import copy_reg as copyreg except ImportError: import copyreg from .utils import identity copyreg.constructor(identity) try: from .cext import Proxy from .cext import identity except ImportError: from .simple import Proxy else: copyreg.constructor(identity) try: from ._version import version as __version__ except ImportError: __version__ = '1.9.0' __all__ = ("Proxy",)