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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 configurations(self):
 """Configurations from uwsgiconf module."""


        if self._confs is not None:
            return self._confs

        with output_capturing():
            module = self.load(self.fpath)
            confs = getattr(module, CONFIGS_MODULE_ATTR)
            confs = listify(confs)

        self._confs = confs

        return confs