diff --git a/addons/email_template/email_template_account.py b/addons/email_template/email_template_account.py
index ec8d6446603..281a876fc22 100644
--- a/addons/email_template/email_template_account.py
+++ b/addons/email_template/email_template_account.py
@@ -360,19 +360,19 @@ unless it is already specified in the From Email, e.g: John Doe <john@doe.com>",
                             payload_part.attach(part)
                 except Exception, error:
                     logger.notifyChannel(_("Email Template"), netsvc.LOG_ERROR, _("Mail from Account %s failed. Probable Reason:MIME Error\nDescription: %s") % (id, error))
-                    return {'error_msg': "Server Send Error\nDescription: %s"%error}
+                    return {'error_msg': _("Server Send Error\nDescription: %s")%error}
                 try:
                     serv.sendmail(payload_part['From'], addresses_l['all-recipients'], payload_part.as_string())
                 except Exception, error:
-                    logging.getLogger('email_template').error("Mail from Account %s failed. Probable Reason: Server Send Error\n Description: %s", id, error, exc_info=True)
-                    return {'error_msg': "Server Send Error\nDescription: %s"%error}
+                    logging.getLogger('email_template').error(_("Mail from Account %s failed. Probable Reason: Server Send Error\n Description: %s"), id, error, exc_info=True)
+                    return {'error_msg': _("Server Send Error\nDescription: %s")%error}
                 #The mail sending is complete
                 serv.close()
                 logger.notifyChannel(_("Email Template"), netsvc.LOG_INFO, _("Mail from Account %s successfully Sent.") % (id))
                 return True
             else:
                 logger.notifyChannel(_("Email Template"), netsvc.LOG_ERROR, _("Mail from Account %s failed. Probable Reason:Account not approved") % id)
-                return {'nodestroy':True,'error_msg':"Mail from Account %s failed. Probable Reason:Account not approved"% id}
+                return {'nodestroy':True,'error_msg': _("Mail from Account %s failed. Probable Reason:Account not approved")% id}
 
     def extracttime(self, time_as_string):
         """
diff --git a/addons/l10n_ch/wizard/create_dta.py b/addons/l10n_ch/wizard/create_dta.py
index 7388a883f99..6d05cabd8e7 100644
--- a/addons/l10n_ch/wizard/create_dta.py
+++ b/addons/l10n_ch/wizard/create_dta.py
@@ -464,8 +464,8 @@ def _create_dta(obj, cr, uid, data, context=None):
             v['partner_zip']= ''
             v['partner_country']= ''
             raise osv.except_osv(_('Error'), _('No address defined \n' \
-                    'for the partner: ' + pline.partner_id.name + '\n' \
-                    'on line: ' + pline.name))
+                    'for the partner: %s \n' \
+                    'on line: %s') % (pline.partner_id.name,pline.name))
 
         if pline.order_id.date_scheduled:
             date_value = datetime.strptime(pline.order_id.date_scheduled, '%Y-%m-%d')