1、E: 25:Client._init_: Class Provider has no cattribute memberE: 35:Client.use_method: Instance of Provider has no hophophop memberE: 40:Client.use_attr: Instance of Provider has no attribute memberE: 52:Client.test_bt_types: Instance of list has no apppend memberE: 54:Client.test_bt_types: Instance o
2、f dict has no set memberE: 56:Client.test_bt_types: Instance of tuple has no append memberE: 58:Client.test_bt_types: Instance of str has no loower memberE: 62:Client.test_bt_types: Instance of int has no whatever memberE: 66: Instance of int has no lower member (but some types could not be inferred)
