diff --git a/relational_gui/guihandler.py b/relational_gui/guihandler.py index 2c4a252..79c0b95 100644 --- a/relational_gui/guihandler.py +++ b/relational_gui/guihandler.py @@ -88,6 +88,8 @@ class relForm(QtWidgets.QMainWindow): if self.history_current_line is None: self.history_current_line = self.ui.txtQuery.text() + if self.ui.lstHistory.currentItem() is None: + return if not self.ui.lstHistory.currentItem().text() != self.ui.txtQuery.text(): self.ui.lstHistory.setCurrentRow(self.ui.lstHistory.currentRow()-1) elif self.ui.lstHistory.currentRow() > 0: