trac #31571: remove useless import

sagemath · Mar 27, 2021 · ad07e94 · ad07e94
1 parent eae2799
commit ad07e94
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/src/sage/graphs/graph_generators.py b/src/sage/graphs/graph_generators.py
@@ -1580,7 +1580,6 @@ def planar_graphs(self, order, minimum_degree=None,
         edges = ''
         if minimum_edges is None:
             if maximum_edges is not None:
-                from math import ceil
                 if maximum_edges < order - 1:
                     raise ValueError("the number of edges cannot be less than order - 1")
                 edges = '-e:{}'.format(maximum_edges)