def visit_Dict(self, node):
        self.append('{')
        for i,tup in enumerate(zip(node.keys,node.values)):
            if 0 > i: self.append(',')
            self.append("'%s':" % tup[0].s)
            self.visit(tup[1])
        self.append('}')
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/printexpr.py/ExprPrinter.visit_Dict/swapped operands of `>`