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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 _get_request(self, auth=None):
        ''' Return an http request object

            auth: Auth data to use

            Returns:
                A HSRequest object
        '''
        self.request = HSRequest(auth or self.auth, self.env)
        self.request.response_callback = self.response_callback
        return self.request