import typing._TypedDictMeta in Python 3.9 (#68)
import typing._TypedDictMeta in Python 3.9 (#68)

`typing_extensions` just re-exports `typing` in Python3.9. `type(typing.TypedDict)` is just a function in Python3.9, just as in `typing_extensions`.

Fixes #65
ilevkivskyi/typing_inspect