Log Message:
py-yapf: updated to 0.40.2

0.40.2
Changes
- The verification module has been removed. NOTE: this changes the public APIs
  by removing the "verify" parameter.
- Changed FORCE_MULTILINE_DICT to override \ 
SPLIT_ALL_TOP_LEVEL_COMMA_SEPARATED_VALUES.
- Adopt pyproject.toml (PEP 517) for build system
Fixed
- Do not treat variables named `match` as the match keyword.
- Fix SPLIT_ARGUMENTS_WHEN_COMMA_TERMINATED for one-item argument lists.
- Fix trailing backslash-newline on Windows when using stdin.