Merge pull request #1662 from lamblin/fix_py3

Fixes in downsample.py for python 3

Merge pull request #1662 from lamblin/fix_py3
7df21906 · Frédéric Bastien · ae72860a · 8d55ea28 · 7df21906
--- a/theano/tensor/signal/downsample.py
+++ b/theano/tensor/signal/downsample.py