def decode(self, value):
try:
return float(value)
except ValueError:
raise InvalidDecodeValueError(value)
def decode(self, value):
if self.is_valid(value):
return value
else:
raise InvalidDecodeValueError(value)
def decode(self, value):
choice = super(ChoiceOption, self).decode(value)
if choice in self.choices:
return choice
else:
raise InvalidDecodeValueError(value)