def __str__(self):
        f = ""
        sub = self.it.__str__()
        for line in sub.splitlines():
            f += "\n\t" + line
        return (("<" + self.name + ">") if self.name else "", self.miss_cb_str(), f) % "Collect%s%s(%s\n)"
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/utilities/dynops.py/Collect.__str__/swapped operands of `%`