def iso_date(d) -> str:
        """
        Return iso format of a date

        Args:
            d:
        Returns: str

        """
        if isinstance(d, datetime):
            return d.isoformat()
        elif isinstance(d, date):
            return datetime.combine(d, datetime.min.time()).isoformat()
        else:
            try:
                datetime.strptime(d, '%Y-%m-%dT%H:%M:%S')
                return d
            except ValueError:
                try:
                    datetime.strptime(d, '%Y-%m-%d')
                    return d + "T00:00:00"
                except ValueError:
                    pass
        raise ISODateError("Can not convert value to ISO format for kg")
def iso_date ( d ) -> str : if isinstance ( d , datetime ) : return d . isoformat ( ) elif isinstance ( d , date ) : return datetime . combine ( d , datetime . min . time ( ) ) . isoformat ( ) else : try : datetime . strptime ( d , '%Y-%m-%dT%H:%M:%S' ) return d except ValueError : try : datetime . strptime ( d , '%Y-%m-%d' ) return d + "T00:00:00" except ValueError : pass raise ISODateError ( "Can not convert value to ISO format for kg" )
Return iso format of a date

        Args:
            d:
        Returns: str