MAINT: Pin gym[atari] version

melissawm · melissawm · commit f747cfe10558 · 2021-11-30T15:19:27.000-03:00
diff --git a/environment.yml b/environment.yml
@@ -14,4 +14,4 @@ dependencies:
   - pooch
   - pip:
     - jupyter-book
-    - gym[atari]
+    - gym[atari]==0.19
