Fixed bug in opencv viewer

MushroomRL · Dec 4, 2023 · 1dc3048 · 1dc3048
1 parent 54ab133
commit 1dc3048
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/mushroom_rl/utils/viewer.py b/mushroom_rl/utils/viewer.py
@@ -422,4 +422,5 @@ def _window_was_closed(self):
         return cv2.getWindowProperty(self._window_name, cv2.WND_PROP_VISIBLE) == 0
 
     def close(self):
-        cv2.destroyWindow(self._window_name)
+        if self._created_viewer:
+            cv2.destroyWindow(self._window_name)