From c31669431bcc0523824801f4973d3434ac86c3ea Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Sun, 28 Dec 2025 13:40:42 +0100
Subject: [PATCH] Fix annotation: dtype may not be None in dtype_to_ctype

---
 dtypes.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dtypes.py b/dtypes.py
index 2be6a50..be3e1ff 100644
--- a/dtypes.py
+++ b/dtypes.py
@@ -101,8 +101,8 @@ def get_or_register_dtype(
 
         return dtype
 
-    def dtype_to_ctype(self, dtype: DTypeLike | None) -> str:
-        if dtype is None:
+    def dtype_to_ctype(self, dtype: DTypeLike) -> str:
+        if dtype is None:  # pyright: ignore[reportUnnecessaryComparison]
             raise ValueError("dtype may not be None")
 
         dtype = np.dtype(dtype)