执行迁移文件 migrate时出差 TypeError: cannot pickle '_thread.lock' object
_deepcopy_dict
y[deepcopy(key, memo)] = deepcopy(value, memo)
File "E:\zk3_code\lib\copy.py", line 161, in deepcopy
rv = reductor(4)
TypeError: cannot pickle '_thread.lock' object
E:\svn_1\zk3>
