diff --git a/skimage/morphology/convex_hull.py b/skimage/morphology/convex_hull.py
index 8c2c6113..3594def8 100644
--- a/skimage/morphology/convex_hull.py
+++ b/skimage/morphology/convex_hull.py
@@ -106,4 +106,3 @@ def convex_hull_object(image):
         convex_img = np.logical_or(convex_img, convex_obj)
 
     return convex_img
-    
diff --git a/skimage/morphology/tests/test_convex_hull.py b/skimage/morphology/tests/test_convex_hull.py
index 9b948237..8b499709 100644
--- a/skimage/morphology/tests/test_convex_hull.py
+++ b/skimage/morphology/tests/test_convex_hull.py
@@ -65,6 +65,7 @@ def test_possible_hull():
     ph = possible_hull(image)
     assert_array_equal(ph, expected)
 
+
 @skipif(not scipy_spatial)
 def test_object():
     image = np.array(