Qt Override.

        Include a validation icon to the left of the line edit.

def paintEvent(self, event):
        """Qt Override.

        Include a validation icon to the left of the line edit.
        """
        super(IconLineEdit, self).paintEvent(event)
        painter = QPainter(self)

        rect = self.geometry()
        space = int((rect.height())/6)
        h = rect.height() - space
        w = rect.width() - h

        if self._icon_visible:
            if self._status and self._status_set:
                pixmap = self._set_icon.pixmap(h, h)
            elif self._status:
                pixmap = self._valid_icon.pixmap(h, h)
            else:
                pixmap = self._invalid_icon.pixmap(h, h)

            painter.drawPixmap(w, space, pixmap)

        application_style = QApplication.style().objectName()
        if self._application_style != application_style:
            self._application_style = application_style
            self._refresh()

        # Small hack to gurantee correct padding on Spyder start
        if self._paint_count < 5:
            self._paint_count += 1
            self._refresh()