diff --git a/skimage/data/__init__.py b/skimage/data/__init__.py
index 98fb4e5f..a2ea2f33 100644
--- a/skimage/data/__init__.py
+++ b/skimage/data/__init__.py
@@ -243,6 +243,7 @@ def hubble_deep_field():
     """
     return load("hubble_deep_field.jpg")
 
+
 def rocket():
     """Launch photo of DSCOVR on Falcon 9 by SpaceX.