From 8930052c3d3fd3f89cc52542a4286fd1c8e33064 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Boulogne?= <devel@sciunto.org>
Date: Wed, 3 Aug 2016 08:07:21 +0200
Subject: [PATCH] Add precision to test_parallel docstring

---
 skimage/_shared/testing.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/skimage/_shared/testing.py b/skimage/_shared/testing.py
index 94d17ba9..0b6d638b 100644
--- a/skimage/_shared/testing.py
+++ b/skimage/_shared/testing.py
@@ -210,6 +210,9 @@ def teardown_test():
 def test_parallel(num_threads=2):
     """Decorator to run the same function multiple times in parallel.
 
+    This decorator is useful to ensure that separate threads execute
+    concurrently and correctly while releasing the GIL.
+
     Parameters
     ----------
     num_threads : int, optional