From 8fdd5a270d50a4f21d7db9a3edf8401820cfe189 Mon Sep 17 00:00:00 2001
From: Stefan van der Walt <stefan@sun.ac.za>
Date: Sun, 27 Apr 2014 02:16:38 +0200
Subject: [PATCH] In all_warnings context manager, return warnings for
 examination

---
 skimage/util/_warnings.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/skimage/util/_warnings.py b/skimage/util/_warnings.py
index f4bbf5c2..15680c76 100644
--- a/skimage/util/_warnings.py
+++ b/skimage/util/_warnings.py
@@ -55,6 +55,6 @@ def all_warnings():
         except AttributeError:
             pass
 
-    with warnings.catch_warnings():
+    with warnings.catch_warnings(record=True) as w:
         warnings.simplefilter("always")
-        yield
+        yield w