From 2f91c003fd0c277f1f404bd120e9dc68c8bc78d3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Boulogne?= <fboulogne sciunto org>
Date: Tue, 17 May 2016 16:58:36 +0200
Subject: [PATCH] API: no default none value for internal cython function

---
 skimage/transform/_hough_transform.pyx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/skimage/transform/_hough_transform.pyx b/skimage/transform/_hough_transform.pyx
index a189d7b9..818bf489 100644
--- a/skimage/transform/_hough_transform.pyx
+++ b/skimage/transform/_hough_transform.pyx
@@ -229,7 +229,7 @@ def hough_ellipse(cnp.ndarray img, int threshold=4, double accuracy=1,
 
 
 def hough_line(cnp.ndarray img,
-               cnp.ndarray[ndim=1, dtype=cnp.double_t] theta=None):
+               cnp.ndarray[ndim=1, dtype=cnp.double_t] theta):
     """Perform a straight line Hough transform.
 
     Parameters