Matches a minimum decimal value

def _match_minimum_decimal(self, match_key, decimal_value, match):
        """Matches a minimum decimal value"""
        if decimal_value is None:
            raise NullArgument()
        if match is None:
            match = True
        if match:
            gtelt = '$gte'
        else:
            gtelt = '$lt'
        if match_key in self._query_terms:
            self._query_terms[match_key][gtelt] = decimal_value
        else:
            self._query_terms[match_key] = {gtelt: decimal_value}