python: Fix writing to non-"alert" column for newly inserted row.

[cascardo/ovs.git] / python / ovs / db / idl.py

diff --git a/python/ovs/db/idl.py b/python/ovs/db/idl.py
index a6584a8..f074dbf 100644 (file)
--- a/python/ovs/db/idl.py
+++ b/python/ovs/db/idl.py
@@ -1074,7 +1074,7 @@ class Transaction(object):
         # transaction only does writes of existing values, without making any
         # real changes, we will drop the whole transaction later in
         # ovsdb_idl_txn_commit().)
-        if not column.alert and row._data.get(column.name) == datum:
+        if not column.alert and row._data and row._data.get(column.name) == datum:
             new_value = row._changes.get(column.name)
             if new_value is None or new_value == datum:
                 return