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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 content(self):
 """ Returns raw CSV content of the log file. """

        raw_content = self._manager.api.session.get(self.download_link).content
        data = BytesIO(raw_content)
        archive = ZipFile(data)
        filename = archive.filelist[0]  # Always 1 file in the archive
        return archive.read(filename)