2 files changed, 7 insertions, 1 deletions
diff --git a/Lib/test/test_string/_support.py b/Lib/test/test_string/_support.py
index eaa3354a559..abdddaf187b 100644
--- a/Lib/test/test_string/_support.py
+++ b/Lib/test/test_string/_support.py
@@ -1,4 +1,3 @@
-import unittest
 from string.templatelib import Interpolation
 
 
diff --git a/Lib/test/test_string/test_templatelib.py b/Lib/test/test_string/test_templatelib.py
index 5b9490c2be6..85fcff486d6 100644
--- a/Lib/test/test_string/test_templatelib.py
+++ b/Lib/test/test_string/test_templatelib.py
@@ -148,6 +148,13 @@ class TemplateIterTests(unittest.TestCase):
         self.assertEqual(res[1].format_spec, '')
         self.assertEqual(res[2], ' yz')
 
+    def test_exhausted(self):
+        # See https://github.com/python/cpython/issues/134119.
+        template_iter = iter(t"{1}")
+        self.assertIsInstance(next(template_iter), Interpolation)
+        self.assertRaises(StopIteration, next, template_iter)
+        self.assertRaises(StopIteration, next, template_iter)
+
 
 if __name__ == '__main__':
     unittest.main()