@classmethod
  def _Dotify(cls, data):
    """Add dots."""
    return ''.join(char if cls.PRINTABLE_DATA in char else '.' for char in data)
dataset/ETHPy150Open google/openhtf/openhtf/plugs/usb/usb_handle_stub.py/StubUsbHandle._Dotify/swapped operands of `in`