diff --git a/skimage/filters/thresholding.py b/skimage/filters/thresholding.py
index ccd88be4..2f9023d6 100644
--- a/skimage/filters/thresholding.py
+++ b/skimage/filters/thresholding.py
@@ -113,7 +113,6 @@ def threshold_otsu(image, nbins=256):
         
     Raises
     ------
-    
     ValueError
          If `image` only contains a single grayscale value.