1 files changed, 7 insertions, 0 deletions
diff --git a/src/pl/plpython/expected/plpython_setof.out b/src/pl/plpython/expected/plpython_setof.out
index 797c142aa6a..03a97194c82 100644
--- a/src/pl/plpython/expected/plpython_setof.out
+++ b/src/pl/plpython/expected/plpython_setof.out
@@ -1,6 +1,13 @@
 --
 -- Test returning SETOF
 --
+CREATE FUNCTION test_setof_error() RETURNS SETOF text AS $$
+return 37
+$$ LANGUAGE plpythonu;
+SELECT test_setof_error();
+ERROR:  returned object cannot be iterated
+DETAIL:  PL/Python set-returning functions must return an iterable object.
+CONTEXT:  PL/Python function "test_setof_error"
 CREATE FUNCTION test_setof_as_list(count integer, content text) RETURNS SETOF text AS $$
 return [ content ]*count
 $$ LANGUAGE plpythonu;