def force_get_input(self, port_name, default_value=None):

        if self.has_input(port_name):
            return self.get_input(port_name)
        else:
            return default_value
Like :py:meth:`.get_input` except that if no value exists, it
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/core/modules/vistrails_module.py/Module.force_get_input