How to make enemies see the hero player through walls? (PYTHON)

I need enemies to chase the player down, even if he/she’s out of their line of sight. How would I do so?

You want to buy the twilight glasses which enable seeing through walls and infinite line of sight.

In singleplayer? Tabula Rasa

Tabula rasa is a student campaign multiplayer level, so the you have to use some tactics to finish