[gtk-doc] highlight: my pylint happy

[Stefan Sauer <stefkost src gnome org>]

commit 6ad3606155976ec7e246d02e39d21eb8bd4511b0
Author: Stefan Sauer <ensonic users sf net>
Date:   Wed May 8 21:18:27 2019 +0200

    highlight: my pylint happy

 gtkdoc/highlight.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gtkdoc/highlight.py b/gtkdoc/highlight.py
index ded674e..8f6e470 100644
--- a/gtkdoc/highlight.py
+++ b/gtkdoc/highlight.py
@@ -22,7 +22,8 @@
 """
 Highlight sourcecode snippets.
 """
-import os, stat
+import os
+import stat
 
 from pygments import highlight
 from pygments.lexers import CLexer