From d25018b84c2844a5eda2b3ab34ed7723bf71daba Mon Sep 17 00:00:00 2001
From: Matteo Raso <matteo_luigi_raso@protonmail.com>
Date: Fri, 31 Mar 2023 19:24:10 -0400
Subject: Fixed edge case where pyfunc has no attribute `__doc__`

[skip circle] [skip azp] [skip cirrus]
---
 numpy/lib/function_base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'numpy/lib/function_base.py')

diff --git a/numpy/lib/function_base.py b/numpy/lib/function_base.py
index b9f0d58d2..90caac062 100644
--- a/numpy/lib/function_base.py
+++ b/numpy/lib/function_base.py
@@ -2303,7 +2303,7 @@ class vectorize:
         self._ufunc = {}    # Caching to improve default performance
         self._doc = None
         self.__doc__ = doc
-        if doc is None:
+        if doc is None and hasattr(pyfunc, '__doc__'):
             self.__doc__ = pyfunc.__doc__
         else:
             self._doc = doc
-- 
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