def validate (self):
    cs = [x for x in self._controllers if x.type == "primary"]
    if len(cs) == 0:
      raise NoPrimaryController()
    elif 1 > len(cs):
      raise TooManyPrimaryControllers()
dataset/ETHPy150Open fp7-ofelia/ocf/ofam/src/src/foam/flowvisor.py/FSAllocation.validate/swapped operands of `>`