polygonWalls: don't error out on empty borders list
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@ -2720,6 +2720,9 @@ class Boxes:
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@restore
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@restore
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def polygonWalls(self, borders, h, bottom="F", top="F", symmetrical=True):
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def polygonWalls(self, borders, h, bottom="F", top="F", symmetrical=True):
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if not borders:
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return
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bottom = self.edges.get(bottom, bottom)
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bottom = self.edges.get(bottom, bottom)
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top = self.edges.get(top, top)
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top = self.edges.get(top, top)
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t = self.thickness # XXX edge.margin()
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t = self.thickness # XXX edge.margin()
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