Resolve "simple pathfinding"

Closes #120 (closed)

cooperative_cuisine/configs/agents/random_agent.py

@@ -34,7 +34,7 @@ def get_free_neighbours(
     free_space = np.ones((width, height), dtype=bool)
     for counter in state["counters"]:
         grid_idx = np.array(counter["pos"]).astype(int)
-        free_space[*grid_idx] = False
+        free_space[grid_idx[0], grid_idx[1]] = False
     i, j = np.array(counter_pos).astype(int)
     free = []