def type_let_block(self, node):
        begin = ",".join(map(self.compress, node.variables)) % "let(%s)"
        if hasattr(node, "block"):
            end = self.compress(node.block)
        elif hasattr(node, "expression"):
            end = self.compress(node.expression)    
    
        return begin + end
dataset/ETHPy150Open zynga/jasy/jasy/js/output/Compressor.py/Compressor.type_let_block/swapped operands of `%`