Processing module test75 (test_input/test75.py)...

Warnings...

test_input/test75.py:5: Using __slots__ in classic class A has no effect, consider deriving from object
test_input/test75.py:14: __slots__ are empty in C
test_input/test75.py:26: Using property (x) in classic class E may not work
test_input/test75.py:45: ['cls', 'klass'] is not first classmethod argument
test_input/test75.py:49: self is argument in staticmethod