From d9ee617b802e3cb2b11e2a02435248f27ad55996 Mon Sep 17 00:00:00 2001
From: Jiahui Miao <130162274+HUIIIM@users.noreply.github.com>
Date: Fri, 2 Oct 2026 00:18:20 -0400
Subject: [PATCH] Fix dtype check for numpy boolean array

---
 pgvector/bit.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pgvector/bit.py b/pgvector/bit.py
index 2b04912..dfcf10b 100644
--- a/pgvector/bit.py
+++ b/pgvector/bit.py
@@ -39,7 +39,7 @@ def __init__(
         elif is_ndarray(value):
             import numpy as np
 
-            if value.dtype != np.bool:
+            if value.dtype != np.bool_:
                 # skip error for result of np.unpackbits
                 if value.dtype != np.uint8 or np.any(value > 1):
                     raise ValueError('expected elements to be boolean')