[library-web] add missing errors module import

[Frederic Peters <fpeters src gnome org>]

commit ddff0bff0193d16cbdd04796093bba56a857486b
Author: Frédéric Péters <fpeters 0d be>
Date:   Fri Aug 7 08:46:40 2009 +0200

    add missing errors module import

 src/modtypes/gnomedocbook.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/modtypes/gnomedocbook.py b/src/modtypes/gnomedocbook.py
index 241b452..8727aeb 100644
--- a/src/modtypes/gnomedocbook.py
+++ b/src/modtypes/gnomedocbook.py
@@ -36,7 +36,7 @@ try:
 except ImportError:
     html5lib = None
 
-
+import errors
 from base import DocModule
 
 class GnomeDocbookModule(DocModule):