From 7a67f8f89701daeee3dd4b444bc44337f75fcca6 Mon Sep 17 00:00:00 2001
From: Jirka Borovec <6035284+Borda@users.noreply.github.com>
Date: Tue, 8 Oct 2024 19:28:34 +0200
Subject: [PATCH] as func

---
 src/torchmetrics/functional/audio/pesq.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/torchmetrics/functional/audio/pesq.py b/src/torchmetrics/functional/audio/pesq.py
index 530b0c14c79..ef0e4e81701 100644
--- a/src/torchmetrics/functional/audio/pesq.py
+++ b/src/torchmetrics/functional/audio/pesq.py
@@ -83,7 +83,10 @@ def perceptual_evaluation_speech_quality(
         )
     import pesq as pesq_backend
 
-    _filter_error_msg = np.vectorize(lambda x: np.issubdtype(type(x), np.number))
+    def _issubtype_number(x) -> bool:
+        return np.issubdtype(type(x), np.number)
+
+    _filter_error_msg = np.vectorize(_issubtype_number)
 
     if fs not in (8000, 16000):
         raise ValueError(f"Expected argument `fs` to either be 8000 or 16000 but got {fs}")