The warning is 'C0103:Method name "__len__" doesn't conform to
'_?_?[a-z][A-Za-z0-9]{1,30}$' pattern' but it doesn't complain about __repr__
or __str__. If there is an explanation out in the wild my search fu has missed
it :-(My setup on Ubuntu 17.10 is:- $ pylint --version Using config file /home/mark/.pylintrc pylint 1.8.1, astroid 1.6.0 Python 3.6.3 (default, Oct 3 2017, 21:45:48) [GCC 7.2.0] -- Kindest regards. Mark Lawrence. -- https://mail.python.org/mailman/listinfo/python-list
