coerce markdown2.UnicodeWithAttrs to unicode in blog comments
diff --git a/erpnext/website/blog.py b/erpnext/website/blog.py
index e89e2df..41a6c27 100644
--- a/erpnext/website/blog.py
+++ b/erpnext/website/blog.py
@@ -92,7 +92,7 @@
 	import website.web_cache
 	
 	if not args: args = webnotes.form_dict
-	args['comment'] = markdown2.markdown(args.get('comment') or '')
+	args['comment'] = unicode(markdown2.markdown(args.get('comment') or ''))
 	
 	comment = webnotes.widgets.form.comments.add_comment(args)