agent and target placement

flatland/envs/generators.py

@@ -753,7 +753,7 @@ def realistic_rail_generator(nr_start_goal=1,  seed=0):
 
                     add_pos = (int((start[0] + goal[0]) / 2), int((start[1] + goal[1]) / 2))
                     agents_positions.append(add_pos)
-                    agents_directions.append(np.random.choice([3, 1]))
+                    agents_directions.append(3)
                     add_pos = (int((start[0] + goal[0]) / 2), int((2*start[1] + goal[1]) / 3))
                     agents_targets.append(add_pos)