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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(self):
 """ Runs the unit test framework. Can be overridden to run anything. Returns True on passing and False on failure. """

        try:
            import nose
            arguments = [sys.argv[0]] + list(self.test_args)
            return nose.run(argv=arguments)
        except ImportError:
            print()
            print("*** Nose library missing. Please install it. ***")
            print()
            raise