Add send2trash to requirements for building docs

takluyver · takluyver · commit 8eb1bdde4b3b · 2017-10-21T17:17:42.000+01:00
diff --git a/docs/environment.yml b/docs/environment.yml
@@ -10,3 +10,4 @@ dependencies:
 - pip:
   - sphinx<1.4
   - nbsphinx
+  - Send2Trash
