fix: close

web_server.py

@@ -190,7 +190,7 @@ class EnvHandler:
         
         self.cur_scene_index = scene_index
         scene_config = self.scene_list[scene_index]
-        self.env.close()
+        self.close()
         self.cur_otuput = os.path.join(self.base_output, scene_config.name)
         self.env = gymnasium.make('hugsim_env/HUGSim-v0', cfg=scene_config.cfg, output=self.cur_otuput)
         self._scene_cnt = 0