set scratch as an artifact

oesteban · oesteban · commit bdf8740be2df · 2016-07-21T16:20:44.000-07:00
diff --git a/circle.yml b/circle.yml
@@ -38,3 +38,4 @@ general:
     - "~/coverage.xml"
     - "~/nosetests.xml"
     - "~/builddocs.log"
+    - "~/scratch"
