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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 setup_environ(self):
 """ Setup the environ dictionary and add the `'ws4py.socket'` key. Its associated value is the real socket underlying socket. """

        SimpleHandler.setup_environ(self)
        self.environ['ws4py.socket'] = get_connection(self.environ['wsgi.input'])
        self.http_version = self.environ['SERVER_PROTOCOL'].rsplit('/')[-1]