fix issue that if located variable was dropped in location column, then address was changed in wrong row (row - 1).

It's not neccessary to carry about label size. YToRow() does the work.

<?xml version='1.0' encoding='utf-8'?>
<BaseParams xmlns:xsd="http://www.w3.org/2001/XMLSchema" IEC_Channel="0" Name="py_ext_0"/>