add imageio to environment.yml

amueller · amueller · commit 3b6a9330e946 · 2019-09-18T13:58:00.000-04:00
diff --git a/environment.yml b/environment.yml
@@ -8,3 +8,4 @@ dependencies:
   - pillow
   - graphviz
   - python-graphviz
+  - imageio
