1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/test_dataclasses.py b/Lib/test/test_dataclasses.py
index 6888680..ae8bfcc 100644
--- a/Lib/test/test_dataclasses.py
+++ b/Lib/test/test_dataclasses.py
@@ -2297,6 +2297,19 @@ class TestDocString(unittest.TestCase):
 
         self.assertDocStrEqual(C.__doc__, "C(x:collections.deque=<factory>)")
 
+    def test_docstring_with_no_signature(self):
+        # See https://github.com/python/cpython/issues/103449
+        class Meta(type):
+            __call__ = dict
+        class Base(metaclass=Meta):
+            pass
+
+        @dataclass
+        class C(Base):
+            pass
+
+        self.assertDocStrEqual(C.__doc__, "C")
+
 
 class TestInit(unittest.TestCase):
     def test_base_has_init(self):