diff --git a/IPython/core/display.py b/IPython/core/display.py
index a095f3cb5e0..25b340fc8eb 100644
--- a/IPython/core/display.py
+++ b/IPython/core/display.py
@@ -625,6 +625,7 @@ def _data_and_metadata(self):
     def _repr_json_(self):
         return self._data_and_metadata()
 
+
 _css_t = """var link = document.createElement("link");
 	link.ref = "stylesheet";
 	link.type = "text/css";