contrib/python3-whitelist

--- a/contrib/python3-whitelist	Thu Jan 10 16:36:55 2019 -0800
+++ b/contrib/python3-whitelist	Thu Jan 10 23:20:46 2019 +0530
@@ -408,6 +408,7 @@
 test-narrow-shallow-merges.t
 test-narrow-shallow.t
 test-narrow-share.t
+test-narrow-sparse.t
 test-narrow-strip.t
 test-narrow-trackedcmd.t
 test-narrow-update.t