pendulum.now() type hint doesn't allow datetime.timezone

[gwerbin]

The type hint for pendulum.now doesn't permit datetime.timezone a valid input, even though it appears to be valid for the underlying DateTime.now function:

https://github.com/sdispater/pendulum/blob/3e3fec6a5b66759078c5ae39c736ca95b78adbef/src/pendulum/init.py#L247

https://github.com/sdispater/pendulum/blob/3e3fec6a5b66759078c5ae39c736ca95b78adbef/src/pendulum/datetime.py#L158-L160

Is this deliberate, or an oversight?