From c8a659369d98706b3c98b84b80a34a832bbdc6c0 Mon Sep 17 00:00:00 2001
From: Jaekyung-Cho <57203764+Jaekyung-Cho@users.noreply.github.com>
Date: Wed, 17 Feb 2021 04:31:40 +0900
Subject: [PATCH] pull request about issue #2062 (car_racing.py memory leaking
 issue ) (#2096)

* car_racing.py memory leaking issue #2062 solving

* additional memory leaking resolve
---
 gym/envs/box2d/car_racing.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gym/envs/box2d/car_racing.py b/gym/envs/box2d/car_racing.py
index 78a0af5538c..a914fc65fe9 100644
--- a/gym/envs/box2d/car_racing.py
+++ b/gym/envs/box2d/car_racing.py
@@ -528,6 +528,7 @@ def render_road(self):
             len(polygons_) // 3, ("v3f", polygons_), ("c4f", colors)  # gl.GL_QUADS,
         )
         vl.draw(gl.GL_QUADS)
+        vl.delete()
 
     def render_indicators(self, W, H):
         s = W / 40.0
@@ -589,6 +590,7 @@ def horiz_ind(place, val, color):
             len(polygons) // 3, ("v3f", polygons), ("c4f", colors)  # gl.GL_QUADS,
         )
         vl.draw(gl.GL_QUADS)
+        vl.delete()
         self.score_label.text = "%04i" % self.reward
         self.score_label.draw()