Log Message:
py-test: updated to 4.0.2

pytest 4.0.2:

Bug Fixes
- Validate arguments from the PYTEST_ADDOPTS environment variable and the \ 
addopts ini option separately.
- Fix raises(..., 'code(string)') frame filename.
- When a fixture yields and a log call is made after the test runs, and, if the \ 
test is interrupted, capture attributes are None.
- Raise TypeError for with raises(..., match=<non-None falsey value>).