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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 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