check by equality for __future__ not identity (closes #14378)

1 files changed, 6 insertions, 0 deletions

diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py
index f4ce615..e22d4de 100644
--- a/Lib/test/test_ast.py
+++ b/Lib/test/test_ast.py
@@ -218,6 +218,12 @@ class AST_Tests(unittest.TestCase):
         im = ast.parse("from . import y").body[0]
         self.assertIsNone(im.module)
 
+    def test_non_interned_future_from_ast(self):
+        mod = ast.parse("from __future__ import division")
+        self.assertIsInstance(mod.body[0], ast.ImportFrom)
+        mod.body[0].module = " __future__ ".strip()
+        compile(mod, "<test>", "exec")
+
     def test_base_classes(self):
         self.assertTrue(issubclass(ast.For, ast.stmt))
         self.assertTrue(issubclass(ast.Name, ast.expr))