python bindings: error out on overloaded method with invalid arguments
python bindings: error out on overloaded method with invalid arguments

That this, treat invalid arguments in overloaded methods
in the same way as they are treated in constructors.

Signed-off-by: Sven Verdoolaege <235c10dd23b819f81cdc9756a251746bc184cab6@gmail.com>

Meinersbur/isl,Meinersbur/isl,Meinersbur/isl,Meinersbur/isl