add future imports for division and print_function

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):
     """

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
 

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