def __init__(self, command, rest, version, headers, data, request):
        ProxyClientFactory.__init__(self, command, rest, version, headers,
                                    data, request)
Override ProxyClientFactory.__init__ to return HBProxyClient
dataset/ETHPy150Open emccode/heliosburn/heliosburn/proxy/protocols/http.py/HBProxyClientFactory.__init__