diff --git a/scripts/run_tests.py b/scripts/run_tests.py
index da9649f9..e2b8cc44 100644
--- a/scripts/run_tests.py
+++ b/scripts/run_tests.py
@@ -64,10 +64,9 @@ class A:
     def get(self):
         return self.x
 
-
-    print('ans_1:', add(1, 2))
-    print('ans_2:', A('abc').get())
-    exit()
+print('ans_1:', add(1, 2))
+print('ans_2:', A('abc').get())
+exit()
 ''', capture_output=True, check=True)
         res.check_returncode()
         assert 'ans_1: 3' in res.stdout, res.stdout
diff --git a/tests/99_bugs.py b/tests/99_bugs.py
index 1140442c..912f8090 100644
--- a/tests/99_bugs.py
+++ b/tests/99_bugs.py
@@ -101,3 +101,6 @@ assert ret == {chr(i+97): i+1 for i in range(26)}
 
 assert g(**ret) == ret
 assert g(**g(**ret)) == ret
+
+# other known issues:
+# 1. d.extend(d) if d is deque