diff --git a/wetb/prepost/DataChecks.py b/wetb/prepost/DataChecks.py
index 7447bc753f466a8c0dfaa3e7c6870733ac71904d..aeaa61de4068a2a10ac31257e676101ba3fa27be 100644
--- a/wetb/prepost/DataChecks.py
+++ b/wetb/prepost/DataChecks.py
@@ -5,6 +5,9 @@ Created on Mon Mar  5 16:00:02 2012
 @author: dave
 """
 
+from __future__ import division
+from __future__ import print_function
+
 # time and data should be 1 dimensional arrays
 def array_1d(array):
     """
diff --git a/wetb/prepost/filters.py b/wetb/prepost/filters.py
index 3764aeeb725b54c029b565d440c4a24017bfa2f6..a4f7ae9a76e4ff76a5e0b35ed19439c22f6f0ad5 100644
--- a/wetb/prepost/filters.py
+++ b/wetb/prepost/filters.py
@@ -5,6 +5,9 @@ Created on Sun Jan 20 18:14:02 2013
 @author: dave
 """
 
+from __future__ import division
+from __future__ import print_function
+
 import numpy as np
 import scipy as sp
 
diff --git a/wetb/prepost/misc.py b/wetb/prepost/misc.py
index 4d51dd8bffc0c30740eec10dba1f1633e640732b..fafdfb50dd612c973d8aa5d18e9d3cc9025a1fa3 100644
--- a/wetb/prepost/misc.py
+++ b/wetb/prepost/misc.py
@@ -7,6 +7,7 @@ Library for general stuff
 @author: dave
 """
 
+from __future__ import division
 from __future__ import print_function
 #print(*objects, sep=' ', end='\n', file=sys.stdout)
 import os