def _anytrait_changed(self):
        if self.ui:
            self._is_ok = self.check_arrays()
            self._is_not_ok = not self._is_ok
Validates if the OK button is enabled.
dataset/ETHPy150Open enthought/mayavi/mayavi/tools/data_wizards/data_source_wizard.py/DataSourceWizardView._anytrait_changed