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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 unfold_if_colapsed(self, block):
 """Unfold parent fold trigger if the block is collapsed. :param block: Block to unfold. """

        try:
            folding_panel = self._editor.panels.get('FoldingPanel')
        except KeyError:
            pass
        else:
            from spyder.plugins.editor.utils.folding import FoldScope
            if not block.isVisible():
                block = FoldScope.find_parent_scope(block)
                if TextBlockHelper.is_collapsed(block):
                    folding_panel.toggle_fold_trigger(block)