Results 3 issues of lrjball

Currently in the test coverage section, specifically 5.2.1.4, it mentions building the C extension for coverage.py. For a while now coverage.py has come with the C extension by default, so...

enhancement
guide-edits
topic-test

It seems as though instance variables are not included in the class scope, whereas class variables are. Example: ```python import libcst as cst source = """ class A: foo =...

enhancement
good first issue
codemod

I've been using this project as a template for my own github app and it has been really helpful, so thank you. When looking through I did notice one slight...