BUG: Added __name__ atribute to vectorize class (#23021)

2 files changed, 8 insertions, 0 deletions

diff --git a/numpy/lib/function_base.py b/numpy/lib/function_base.py
index 7a69c3c81..27ed79044 100644
--- a/numpy/lib/function_base.py
+++ b/numpy/lib/function_base.py
@@ -2273,6 +2273,7 @@ class vectorize:
         self.pyfunc = pyfunc
         self.cache = cache
         self.signature = signature
+        self.__name__ = pyfunc.__name__
         self._ufunc = {}    # Caching to improve default performance
 
         if doc is None:
diff --git a/numpy/lib/tests/test_function_base.py b/numpy/lib/tests/test_function_base.py
index ecba35f2d..69e4c4848 100644
--- a/numpy/lib/tests/test_function_base.py
+++ b/numpy/lib/tests/test_function_base.py
@@ -1780,6 +1780,13 @@ class TestVectorize:
         assert_equal(type(r), subclass)
         assert_equal(r, m * v)
 
+    def test_name(self):
+        #See gh-23021
+        @np.vectorize
+        def f2(a, b):
+            return a + b
+
+        assert f2.__name__ == 'f2'
 
 class TestLeaks:
     class A: