chistedit: remove some local variable and access state on self instead
Now that we've replaced the state dict by a class, some of the local
variables that just do `foo = self.foo` seem unnecessary.
Differential Revision: https://phab.mercurial-scm.org/D11652
[build-system]
requires = ["setuptools", "wheel"]
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true