pycscope fails with f-string

[rscellgh]

pycscope cannot parse
print(f"Found {num} devices.")

I hacked init.py to have f as a keyword.
kwlist.extend(("True", "False", "None", "f"))

Works now.. but I am sure there is a better fix.

[rscellgh]

It also does not part @Property now.. I figured pycscope is out of date at this point.

[portante]

It is, and needs help to catch up.