diff --git a/constants.py b/constants.py
index 808160c..75ce015 100644
--- a/constants.py
+++ b/constants.py
@@ -1,3 +1,4 @@
+%pythoncode %{
 # wiringPi modes
 
 WPI_MODE_PINS = 0;
@@ -37,3 +38,4 @@
 INT_EDGE_FALLING = 1;
 INT_EDGE_RISING = 2;
 INT_EDGE_BOTH = 3;
+%}