test_properties AssertionError: assert 'object has no getter' in 'unreadable attribute' + where 'unreadable attribute' = str(AttributeError('unreadable attribute')) + where AttributeError('unreadable attribute') = <ExceptionInfo AttributeError('unreadable attribute') tblen=1>.value

test_static_properties assert 'object has no setter' in "can't set attribute" + where "can't set attribute" = str(AttributeError("can't set attribute")) + where AttributeError("can't set attribute") = <ExceptionInfo AttributeError("can't set attribute") tblen=2>.value

test_pydoc TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'