lib/astar: fix return value for failed search

2022-12-17 15:22:18 -08:00 · 2022-12-17 15:22:18 -08:00 · 2e18e87a95
commit 2e18e87a95
parent 043a57608d
1 changed files with 1 additions and 2 deletions
--- a/lib/astar.py
+++ b/lib/astar.py
@ -4,7 +4,6 @@ def search(start, is_goal, neighbors, heuristic=None):
    if heuristic == None:
        def heuristic(x):
            return 0
-    # TODO: callable goal
    if not callable(is_goal):
        goal = is_goal
        def is_goal(this):
@ -44,7 +43,7 @@ def search(start, is_goal, neighbors, heuristic=None):
                i += 1
                heappush(q, (c, i, n, this))

-    return float('inf'), None
+    return float('inf'), None, []

 def test():
    data = [