python3 compatibility

Start python3 compatibility.

For lhcb-dpa/project#44

• Phys
• Rich
• Ex

Ex/LoKiExample/python/LoKiExample/Bs2DsPi_data.py

@@ -19,6 +19,7 @@
 #  @author Vanya BELYAEV Ivan.Belyaev@nikhef.nl
 #  @date   2008-10-04
 # =============================================================================
+from __future__ import print_function
 __author__ = " Vanya BELYAEV Ivan.Belyaebv@nikhef.nl "
 __version__ = " CVS Tag $Name: not supported by cvs2svn $,  version $Revision: 1.1 $ "
 # =============================================================================
@@ -42,12 +43,12 @@ Inputs = getInputs(Files)
 
 # =============================================================================
 if '__main__' == __name__:  ## just for pure testing purposes
-    print 'Files: '
+    print('Files: ')
     for f in Files:
-        print '\t', f
-    print 'Inputs: '
+        print('\t', f)
+    print('Inputs: ')
     for i in Inputs:
-        print '\t', i
+        print('\t', i)
 
 # =============================================================================
 # The END