fix end of peering

oml/item/models.py

@@ -221,9 +221,9 @@ class Item(db.Model):
         state.db.session.commit()
 
     def delete(self, commit=True):
-        state.db.session.delete(self)
         Sort.query.filter_by(item_id=self.id).delete()
         Transfer.query.filter_by(item_id=self.id).delete()
+        state.db.session.delete(self)
         if commit:
             state.db.session.commit()
 

oml/nodes.py

@@ -141,8 +141,10 @@ class Node(Thread):
         except urllib2.HTTPError as e:
             if e.code == 403:
                 logger.debug('REMOTE ENDED PEERING')
-                if self.user.peered:
-                    self.user.update_peering(False)
+                with db.session():
+                    u = self.user
+                    if u.peered:
+                        u.update_peering(False)
                     self.online = False
                 return
             logger.debug('urllib2.HTTPError %s %s', e, e.code)