diff --git a/test/dynamo/cpython/3_13/test_defaultdict.py b/test/dynamo/cpython/3_13/test_defaultdict.py
index bdbe9b81e8f..d55f1dc54c6 100644
--- a/test/dynamo/cpython/3_13/test_defaultdict.py
+++ b/test/dynamo/cpython/3_13/test_defaultdict.py
@@ -1,3 +1,60 @@
+# ======= BEGIN Dynamo patch =======
+# Owner(s): ["module: dynamo"]
+
+# ruff: noqa
+# flake8: noqa
+
+# Test copied from
+# https://raw.githubusercontent.com/python/cpython/refs/tags/v3.13.5/Lib/test/test_defaultdict.py
+
+import sys
+import torch
+import torch._dynamo.test_case
+import unittest
+from torch._dynamo.test_case import CPythonTestCase
+from torch.testing._internal.common_utils import (
+    run_tests,
+)
+
+__TestCase = CPythonTestCase
+
+
+# redirect import statements
+import sys
+import importlib.abc
+
+redirect_imports = (
+    "test.mapping_tests",
+    "test.typinganndata",
+    "test.test_grammar",
+    "test.test_math",
+    "test.test_iter",
+    "test.typinganndata.ann_module",
+)
+
+class RedirectImportFinder(importlib.abc.MetaPathFinder):
+    def find_spec(self, fullname, path, target=None):
+        # Check if the import is the problematic one
+        if fullname in redirect_imports:
+            try:
+                # Attempt to import the standalone module
+                name = fullname.removeprefix("test.")
+                r = importlib.import_module(name)
+                # Redirect the module in sys.modules
+                sys.modules[fullname] = r
+                # Return a module spec from the found module
+                return importlib.util.find_spec(name)
+            except ImportError:
+                return None
+        return None
+
+# Add the custom finder to sys.meta_path
+sys.meta_path.insert(0, RedirectImportFinder())
+
+
+# ======= END DYNAMO PATCH =======
+
+
 """Unit tests for collections.defaultdict."""

 import copy
@@ -9,7 +66,7 @@ from collections import defaultdict
 def foobar():
     return list

-class TestDefaultDict(unittest.TestCase):
+class TestDefaultDict(__TestCase):

     def test_basic(self):
         d1 = defaultdict()
@@ -127,11 +184,12 @@ class TestDefaultDict(unittest.TestCase):

     def test_recursive_repr(self):
         # Issue2045: stack overflow when default_factory is a bound method
-        class sub(defaultdict):
-            def __init__(self):
-                self.default_factory = self._factory
-            def _factory(self):
-                return []
+        with torch._dynamo.error_on_graph_break(False):
+            class sub(defaultdict):
+                def __init__(self):
+                    self.default_factory = self._factory
+                def _factory(self):
+                    return []
         d = sub()
         self.assertRegex(repr(d),
             r"sub\(<bound method .*sub\._factory "
@@ -187,4 +245,4 @@ class TestDefaultDict(unittest.TestCase):
             i |= None

 if __name__ == "__main__":
-    unittest.main()
+    run_tests()