diff --git a/src/sage/graphs/matching_covered_graph.py b/src/sage/graphs/matching_covered_graph.py
index 01b301c7034..2a9b8916c90 100644
--- a/src/sage/graphs/matching_covered_graph.py
+++ b/src/sage/graphs/matching_covered_graph.py
@@ -639,7 +639,6 @@ def __init__(self, data=None, matching=None, algorithm='Edmonds',
             Graph.__init__(self, data, *args, **kwds)
             success = True
 
-
         elif isinstance(data, Graph):
             try:
                 self._upgrade_from_graph(data=data, matching=matching,