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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 _run_env(self):
 """ Augment the current environment providing the PYTHONUSERBASE. """

        env = dict(os.environ)
        env.update(
            getattr(self, 'env', {}),
            PYTHONUSERBASE=self.env_path,
            PIP_USER="1",
        )
        self._disable_venv(env)
        return env