def _request(self, url):
        return Request(url)
Generates sigma points and weights according to Van der Merwe's
dataset/ETHPy150Open JetBrains/youtrack-rest-python-library/python/pyactiveresource/connection.py/Connection._request--crossover with--dataset/ETHPy150Open rlabbe/filterpy/filterpy/kalman/sigma_points.py/MerweScaledSigmaPoints.__init__