holy fuking shit

tests/test_rl.py

@@ -4,7 +4,6 @@ RL 依赖属于可选组 [dependency-groups] rl；未安装 numpy/gymnasium 时
 全部跳过（运行闭环不依赖它们）。
 """
 
-import math
 import unittest
 from pathlib import Path
 
@@ -74,13 +73,13 @@ class TrainingEnvironmentTests(unittest.TestCase):
         self.assertIsInstance(reward, float)
         self.assertFalse(terminated and truncated)
 
-    def test_q4_directional_episode_reports_blocked_or_fallback(self):
+    def test_q4_directional_reports_blocked_or_fallback(self):
         env = LocalizationEnv(problem=4, directional_probability=1.0)
-        obs, info = env.reset(seed=7)
+        _, info = env.reset(seed=7)
         self.assertTrue(info["source"]["directional"])
         terminated = truncated = False
         for _ in range(env.max_episode_steps + 2):
-            obs, reward, terminated, truncated, info = env.step(
+            _, _, terminated, truncated, info = env.step(
                 env.action_space.sample())
             if terminated or truncated:
                 break