@staticmethod
    def get_system_ca_file():
        # Standard CA file locations for Debian/Ubuntu, RedHat/Fedora,
        # Suse, FreeBSD/OpenBSD
        ca_path = ['/etc/ssl/certs/ca-certificates.crt',
                   '/etc/pki/tls/certs/ca-bundle.crt',
                   '/etc/ssl/ca-bundle.pem',
                   '/etc/ssl/cert.pem']
        for ca in ca_path:
            if os.path.exists(ca):
                return ca
        return None
Calculates the nth moment about the mean for a sample (defaults to the
dataset/ETHPy150Open openstack/python-magnumclient/magnumclient/common/httpclient.py/VerifiedHTTPSConnection.get_system_ca_file--crossover with--dataset/ETHPy150Open radlab/sparrow/src/main/python/third_party/stats.py/amoment