运行出错

[wqw547243068]

加载决策树pkl模型出错，是不是对sklearn版本有要求？

Traceback (most recent call last):
File "myPredict.py", line 8, in
clf = joblib.load(root+'model/my_face_rating.pkl')
File "/usr/local/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 573, in load
return load_compatibility(fobj)
File "/usr/local/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle_compat.py", line 226, in load_compatibility
obj = unpickler.load()
File "/usr/local/Cellar/python/2.7.13_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py", line 864, in load
dispatchkey
File "/usr/local/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle_compat.py", line 177, in load_build
Unpickler.load_build(self)
File "/usr/local/Cellar/python/2.7.13_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py", line 1223, in load_build
setstate(state)
File "sklearn/tree/_tree.pyx", line 632, in sklearn.tree._tree.Tree.setstate (sklearn/tree/_tree.c:8128)
KeyError: 'max_depth'