... application QtRptDesigner. Report file is a file in XML format.
The report designer makes easy to create report XML file.
QtRPT (http://www.qtrpt.tk/index.php)
Recommendations:
please read "readme.txt" file
use QtRptDesigner -> to edit xml files.
view examples.
Important: from Qt5.12, the package must have the same version and subversion de PySide2 and shiboken2. for example the PyQtRPT_5.12.3 package has a requirement of PySide2_5.12.3 and shiboken2_5.12.3.