diff --git a/src/pl/plpython/.gitignore b/src/pl/plpython/.gitignore
index 07bee6a29c4..abba0cf5974 100644
--- a/src/pl/plpython/.gitignore
+++ b/src/pl/plpython/.gitignore
@@ -3,3 +3,4 @@
 /log/
 /results/
 /tmp_check/
+/python3/
diff --git a/src/pl/plpython/expected/plpython_do.out b/src/pl/plpython/expected/plpython_do.out
index d979cf811c7..09778120843 100644
--- a/src/pl/plpython/expected/plpython_do.out
+++ b/src/pl/plpython/expected/plpython_do.out
@@ -4,9 +4,9 @@ CONTEXT:  PL/Python anonymous code block
 DO $$ plpy.notice("This is plpython2u.") $$ LANGUAGE plpython2u;
 NOTICE:  This is plpython2u.
 CONTEXT:  PL/Python anonymous code block
-DO $$ nonsense $$ LANGUAGE plpythonu;
-ERROR:  NameError: global name 'nonsense' is not defined
+DO $$ raise Exception("error test") $$ LANGUAGE plpythonu;
+ERROR:  Exception: error test
 CONTEXT:  Traceback (most recent call last):
   PL/Python anonymous code block, line 1, in <module>
-    nonsense 
+    raise Exception("error test") 
 PL/Python anonymous code block
diff --git a/src/pl/plpython/sql/plpython_do.sql b/src/pl/plpython/sql/plpython_do.sql
index beb443f95d1..0e281a08ee8 100644
--- a/src/pl/plpython/sql/plpython_do.sql
+++ b/src/pl/plpython/sql/plpython_do.sql
@@ -2,4 +2,4 @@ DO $$ plpy.notice("This is plpythonu.") $$ LANGUAGE plpythonu;
 
 DO $$ plpy.notice("This is plpython2u.") $$ LANGUAGE plpython2u;
 
-DO $$ nonsense $$ LANGUAGE plpythonu;
+DO $$ raise Exception("error test") $$ LANGUAGE plpythonu;