I am trying to setup the formatter "black" to work with PyCharm. I have tried setting it up with both the standard External Tools preferences and using the Files Watcher Plugin. Neither has worked for me.

I am getting these errors:

I have it installed in /Users/Scott/Library/Python/3.8/lib/python/site-packages/black.py and want it to run globally for all Python project files when I save.

This is how my preferences look:

I am new to Python and PyCharm and Stack Overflow for that matter, and am stilling setting this up. I appreciate your help.