--- a/ext/html4zope.py	Wed Mar 03 18:30:25 2010 +0100
+++ b/ext/html4zope.py	Wed Mar 03 18:31:08 2010 +0100
@@ -24,12 +24,13 @@
 
 __docformat__ = 'reStructuredText'
 
+import os
+
 from logilab.mtconverter import xml_escape
 
 from docutils import nodes
 from docutils.writers.html4css1 import Writer as CSS1Writer
 from docutils.writers.html4css1 import HTMLTranslator as CSS1HTMLTranslator
-import os
 
 default_level = int(os.environ.get('STX_DEFAULT_LEVEL', 3))