diff --git a/Tools/scripts/highlight.py b/Tools/scripts/highlight.py
index 85ce091..a0d3d45 100755
--- a/Tools/scripts/highlight.py
+++ b/Tools/scripts/highlight.py
@@ -21,7 +21,7 @@
 
 def colorize(source):
     'Convert Python source code to an HTML fragment with colorized markup'
-    lines = source.splitlines(keepends=True)
+    lines = source.splitlines(True)
     lines.append('')
     readline = functools.partial(next, iter(lines), '')
     kind = tok_str = ''