another import change in combinat/all

Frédéric Chapoton · Frédéric Chapoton · commit 3b5e55229def · 2016-05-18T10:05:09.000+02:00
diff --git a/src/sage/combinat/all.py b/src/sage/combinat/all.py
@@ -143,7 +143,7 @@
 
 #import lrcalc
 
-import ranker
+from . import ranker
 
 from .integer_vector import IntegerVectors
 from .integer_vector_weighted import WeightedIntegerVectors
