From f036b4466e5d4e98782390ff978f658624cc84e8 Mon Sep 17 00:00:00 2001
From: Gregor Sturm <mail@gregor-sturm.de>
Date: Tue, 9 Jul 2024 10:28:07 +0200
Subject: [PATCH] Fix cpu count detection (#527)

* Update __init__.py

* Update CHANGELOG.md
---
 CHANGELOG.md                | 6 ++++++
 src/scirpy/util/__init__.py | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ffd959aad..04911ccd3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,12 @@ and this project adheres to [Semantic Versioning][].
 [keep a changelog]: https://keepachangelog.com/en/1.0.0/
 [semantic versioning]: https://semver.org/spec/v2.0.0.html
 
+## v0.17.2
+
+### Fixes
+
+-   Detection of CPU count in `define_clonotype_clusters` was broken ([#527](https://github.com/scverse/scirpy/pull/527))
+
 ## v0.17.1
 
 ### Fixes
diff --git a/src/scirpy/util/__init__.py b/src/scirpy/util/__init__.py
index 01283b43e..0a4059351 100644
--- a/src/scirpy/util/__init__.py
+++ b/src/scirpy/util/__init__.py
@@ -598,6 +598,6 @@ def _get_usable_cpus(n_jobs: int = 0):
         return n_jobs
 
     try:
-        return os.sched_getaffinity(0)
+        return len(os.sched_getaffinity(0))
     except AttributeError:
         return os.cpu_count()