Set resize mode on QTableWidget

header = self.table.horizontalHeader()
header.setSectionResizeMode(QtWidgets.QHeaderView.ResizeToContents)       
header.setSectionResizeMode(0, QtWidgets.QHeaderView.Stretch)

References
https://stackoverflow.com/questions/38098763/pyside-pyqt-how-to-make-set-qtablewidget-column-width-as-proportion-of-the-a