use pyexcel-io v0.4.x for testing

chfw · chfw · commit 12d995afc2d4 · 2017-04-21T00:49:05.000+01:00
diff --git a/rnd_requirements.txt b/rnd_requirements.txt
@@ -1,3 +1,3 @@
 https://github.com/chfw/lml/archive/master.zip
-https://github.com/pyexcel/pyexcel-io/archive/master.zip
+https://github.com/pyexcel/pyexcel-io/archive/v0.4.x.zip
 https://github.com/pyexcel/pyexcel/archive/master.zip
