def to_str(self):
    out = []
    for path in sorted(self.fingerprints.keys()):
      fp = self.fingerprints[path]
      out.append((path, fp) % "%s\t%s\n")
    return "".join(out)
dataset/ETHPy150Open bloomreach/zinc/zinc.py/FingerprintList.to_str/swapped operands of `%`