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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 _decode_content(self, content):
 """ Split node string to uri and content and convert back to unicode. """

        content = smart_unicode(content)
        uri, _, content = content.partition(u'|')
        if content == self.NONE:
            content = None
        return uri or None, content