@filing_type.setter
def filing_type(self, filing_type):
    if isinstance(filing_type, FilingType):
        self._params['type'] = filing_type.value
    elif (filing_type is not None):
        raise FilingTypeError
    self._filing_type = filing_type
@filing_type.setter
def filing_type(self, filing_type):
    if isinstance(filing_type, FilingType):
        self._params['type'] = filing_type.value
    elif (filing_type is not None):
        raise FilingTypeError
    self._filing_type = filing_type