--- a/scripts/pso2h.py	2020-01-26 14:01:25.632649485 +0100
+++ b/scripts/pso2h.py	2020-01-26 14:07:28.518821991 +0100
@@ -78,7 +78,7 @@
                               body))
 
 def usage():
-  print __doc__
+  print( __doc__ )
 
 def main(argv):
   opt_shader = None
@@ -106,11 +106,11 @@
 
   #input validation
   if not opt_shader:
-    print "error: you must supply a shader file.\n"
+    print( "error: you must supply a shader file.\n" )
     usage()
     sys.exit(1)
   if not os.access(opt_shader, os.F_OK):
-    print opt_shader + ": file not found"
+    print( opt_shader + ": file not found" )
     sys.exit(1)
   file, ext = os.path.splitext(opt_shader)
   if not opt_header: