domyam97

Since userland got updated for the 64 bit arch support in https://github.com/raspberrypi/userland/pull/586 I've been able to get picamera running on Ubuntu 20.04 Server on a RPi 3B+. [This guide](https://larrylisky.com/2016/11/24/enabling-raspberry-pi-camera-v2-under-ubuntu-mate/) had...

Is there a reason the check that the `_dimensionality` parameter is `None` exists? It seems unnecessary and causes issues like this.