[2.1.x] Fixed #29617 -- Fixed Template crash if template_string is lazy.

Regression in 3a148f958dddd97c1379081118c30fbede6b6bc4.
Backport of 9f3b9ffd51c71d96728df9ee16f5a57c6f3b315d from master

1 files changed, 8 insertions, 1 deletions

diff --git a/tests/template_tests/test_base.py b/tests/template_tests/test_base.py
index 3bc857abee..475a647dd2 100644
--- a/tests/template_tests/test_base.py
+++ b/tests/template_tests/test_base.py
@@ -1,5 +1,12 @@
-from django.template.base import Variable, VariableDoesNotExist
+from django.template import Context, Template, Variable, VariableDoesNotExist
 from django.test import SimpleTestCase
+from django.utils.translation import gettext_lazy
+
+
+class TemplateTests(SimpleTestCase):
+    def test_lazy_template_string(self):
+        template_string = gettext_lazy('lazy string')
+        self.assertEqual(Template(template_string).render(Context()), template_string)
 
 
 class VariableDoesNotExistTests(SimpleTestCase):