diff -uprNEBZ --suppress-blank-empty a/build/python.prf b/build/python.prf
--- a/build/python.prf	2016-06-09 06:10:52.000000000 -0500
+++ b/build/python.prf	2017-06-08 10:03:40.858019605 -0500
@@ -2,7 +2,8 @@

 # Change this variable to your python version (2.6, 2.7, 3.3, ...)
 win32:PYTHON_VERSION=27
-unix:PYTHON_VERSION=2.7
+# Use Python3
+unix:PYTHON_VERSION=3
 
 macx {
   # for macx you need to have the Python development kit installed as framework
