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-rw-r--r--lib/observer/src/observer_tv_table.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/observer/src/observer_tv_table.erl b/lib/observer/src/observer_tv_table.erl
index f432173f57..3930f9ee26 100644
--- a/lib/observer/src/observer_tv_table.erl
+++ b/lib/observer/src/observer_tv_table.erl
@@ -453,7 +453,7 @@ get_attr(Table, Item) ->
Ref = erlang:monitor(process, Table),
Table ! {get_attr, self(), Item},
receive
- {'DOWN', Ref, _, _, _} -> "";
+ {'DOWN', Ref, _, _, _} -> wx:null();
{Table, Res} ->
erlang:demonitor(Ref),
Res