--- a/web/request.py	Wed Apr 14 10:25:51 2010 +0200
+++ b/web/request.py	Wed Apr 14 10:29:38 2010 +0200
@@ -152,7 +152,7 @@
         self._ = self.__ = gettext
         self.lang = lang
         self.debug('request language: %s', lang)
-        if self.cnx is not None:
+        if self.cnx:
             self.cnx.set_session_props(lang=lang)
 
     # input form parameters management ########################################
@@ -280,7 +280,7 @@
     def update_search_state(self):
         """update the current search state"""
         searchstate = self.form.get('__mode')
-        if not searchstate and self.cnx is not None:
+        if not searchstate and self.cnx:
             searchstate = self.session.data.get('search_state', 'normal')
         self.set_search_state(searchstate)
 
@@ -291,7 +291,7 @@
         else:
             self.search_state = ('linksearch', searchstate.split(':'))
             assert len(self.search_state[-1]) == 4
-        if self.cnx is not None:
+        if self.cnx:
             self.session.data['search_state'] = searchstate
 
     def match_search_state(self, rset):