From 2d594803636e341660cab0e81343abbe9a325353 Mon Sep 17 00:00:00 2001
From: Avishai Halev <67072238+ahalev@users.noreply.github.com>
Date: Tue, 3 Jan 2023 22:06:27 -0800
Subject: [PATCH] render_modes compatability with gym>0.17.3 (#2334)

---
 src/garage/envs/gym_env.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/garage/envs/gym_env.py b/src/garage/envs/gym_env.py
index 321fe0ecaa..3c6ec01265 100644
--- a/src/garage/envs/gym_env.py
+++ b/src/garage/envs/gym_env.py
@@ -144,7 +144,10 @@ def __init__(self, env, is_image=False, max_episode_length=None):
         self._max_episode_length = _get_time_limit(self._env,
                                                    max_episode_length)
 
-        self._render_modes = self._env.metadata['render.modes']
+        try:
+            self._render_modes = self._env.metadata['render_modes']
+        except KeyError:
+            self._render_modes = self._env.metadata['render.modes']
 
         self._step_cnt = None
         self._visualize = False