Description of problem: Qt and PyQt programs that use QtTableView with a sorted model have their column widths reset to the default. This breaks the usability of a tables. See https://bugreports.qt.io/browse/QTBUG-65478 that describes the bug and claims its *really* fix in 5.9.5. Please package 5.9.5 or better. Version-Release number of selected component (if applicable): This is broken with qt5 5.9.4 that is current for f27. How reproducible: See QTBUG report.
Qt 5.9.6 is in stable updates now.