Describe the bug

Base on my own tests, and two reports on gitter, there is an anaconda conflict between packages on m1 Macs that prevents importing deeplabcut in pythonw. Tested on conda 4.10.1 and 4.10.3, installing python.app from default and conda-forge.

Desktop (please complete the following information about your system):

• OS: macOS Big Sur 11.4
• DeepLabCut Version 2.2rc3
• GPU TYPE: M1 Mac ...so?

To Reproduce
Steps to reproduce the behavior, i.e.:

1. Download DEEPLABCUT.yaml
2. conda env create -f DEEPLABCUT.yaml
3. condo activate DEEPLABCUT
4. conda install python.app
5. pythonw -m deeplabcut
6. see error below

% pythonw -m deeplabcut
/Users/brandonjackson/opt/miniconda3/envs/dlc22rc3/bin/pythonw: line 3: 76717 Illegal instruction: 4  /Users/brandonjackson/opt/miniconda3/envs/dlc22rc3/python.app/Contents/MacOS/python "$@"

No deeplabcut GUI shows. This same error occurs, and pythonw crashes in the terminal back to zsh, when trying to import deeplabcut in pythonw.