def is_ready_to_next_step(self):
        """Check if the step is complete.

        :returns: True if new step may be enabled.
        :rtype: bool
        """
        # Still editing
        if self.mode == EDIT_MODE:
            return False
        for combo_box in self.exposure_combo_boxes:
            # Enable if there is one that has classification
            if combo_box.currentIndex() > 0:
                return True
        # Trick for EQ raster for population #3853
        if self.use_default_thresholds:
            return True
        return False
Check if the step is complete.

        :returns: True if new step may be enabled.
        :rtype: bool