class MyAdapter(HTTPAdapter):
    def get_connection(self, url, proxies=p):
        print('test')
        super(MyAdapter, self).get_connection(url, proxies)

Protocol.HTTP_ADAPTER_CLS = MyAdapter
BaseProtocol.HTTP_ADAPTER_CLS = MyAdapter

credentials = ServiceAccount(username='thisismyusername', password='This is a secret!')
config = Configuration(service_endpoint='thisismyserviceendpoint', credentials=credentials)