AttributeError: type object 'sklearn.tree._criterion.array' has no attribute '__reduce_cython__'
Question:
I want to import
from sklearn.tree import DecisionTreeRegressor
in jupyter.
but when I run just the line contains above import, I got this error.
<ipython-input-16-28b3e81cd98d> in <module>
----> 1 from sklearn.tree import DecisionTreeRegressor
~/.local/lib/python3.6/site-packages/sklearn/tree/__init__.py in <module>
4 """
5
----> 6 from ._classes import BaseDecisionTree
7 from ._classes import DecisionTreeClassifier
8 from ._classes import DecisionTreeRegressor
~/.local/lib/python3.6/site-packages/sklearn/tree/_classes.py in <module>
38 from ..utils.validation import check_is_fitted
39
---> 40 from ._criterion import Criterion
41 from ._splitter import Splitter
42 from ._tree import DepthFirstTreeBuilder
~/.local/lib/python3.6/site-packages/sklearn/tree/_criterion.cpython-36m-x86_64-linux-gnu.so in init sklearn.tree._criterion()
AttributeError: type object 'sklearn.tree._criterion.array' has no attribute '__reduce_cython__'
I tried to install scipy and update scikit-learn by conda but it didn’t solved.
Answers:
Try to update Cython :
pip install cython
I want to import
from sklearn.tree import DecisionTreeRegressor
in jupyter.
but when I run just the line contains above import, I got this error.
<ipython-input-16-28b3e81cd98d> in <module>
----> 1 from sklearn.tree import DecisionTreeRegressor
~/.local/lib/python3.6/site-packages/sklearn/tree/__init__.py in <module>
4 """
5
----> 6 from ._classes import BaseDecisionTree
7 from ._classes import DecisionTreeClassifier
8 from ._classes import DecisionTreeRegressor
~/.local/lib/python3.6/site-packages/sklearn/tree/_classes.py in <module>
38 from ..utils.validation import check_is_fitted
39
---> 40 from ._criterion import Criterion
41 from ._splitter import Splitter
42 from ._tree import DepthFirstTreeBuilder
~/.local/lib/python3.6/site-packages/sklearn/tree/_criterion.cpython-36m-x86_64-linux-gnu.so in init sklearn.tree._criterion()
AttributeError: type object 'sklearn.tree._criterion.array' has no attribute '__reduce_cython__'
I tried to install scipy and update scikit-learn by conda but it didn’t solved.
Try to update Cython :
pip install cython