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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 _refresh_nvr(self):
 """ Refresh our name-version-release attributes. """

        rpm_info = juicer.utils.rpm_info(self.path)
        self.name = rpm_info['name']
        self.version = rpm_info['version']
        self.release = rpm_info['release']