Several behaviors of :meth:`Parser.addoption <_pytest.config.argparsing.Parser.addoption>` are now scheduled for removal in pytest 7 (deprecated since pytest 2.4.0):
parser.addoption(..., help=".. %default ..")
- use%(default)s
instead.parser.addoption(..., type="int/string/float/complex")
- usetype=int
etc. instead.