导入sklearn报错anintegerisrequired(gottypebytes)

anaconda中代码

from sklearn.linear_model import LinearRegression
from sklearn.model_selection import cross_val_score
from sklearn.metrics import mean_squared_error

出现报错

---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
in
----> 1 from sklearn.linear_model import LinearRegression
2 from sklearn.model_selection import cross_val_score
3 from sklearn.metrics import mean_squared_error
~\anaconda3\lib\site-packages\sklearn\__init__.py in
62 else:
63 from . import __check_build
---> 64 from .base import clone
65 from .utils._show_versions import show_versions
66
~\anaconda3\lib\site-packages\sklearn\base.py in
12 from scipy import sparse
13 from .externals import six
---> 14 from .utils.fixes import signature
15 from .utils import _IS_32BIT
16 from . import __version__
~\anaconda3\lib\site-packages\sklearn\utils\__init__.py in
12 from .murmurhash import murmurhash3_32
13 from .class_weight import compute_class_weight, compute_sample_weight
---> 14 from . import _joblib
15 from ..exceptions import DataConversionWarning
16 from .fixes import _Sequence as Sequence
~\anaconda3\lib\site-packages\sklearn\utils\_joblib.py in
20 from joblib import parallel_backend, register_parallel_backend
21 else:
---> 22 from ..externals import joblib
23 from ..externals.joblib import logger
24 from ..externals.joblib import dump, load
~\anaconda3\lib\site-packages\sklearn\externals\joblib\__init__.py in
117 from .numpy_pickle import load
118 from .compressor import register_compressor
--> 119 from .parallel import Parallel
120 from .parallel import delayed
121 from .parallel import cpu_count
~\anaconda3\lib\site-packages\sklearn\externals\joblib\parallel.py in
26 from .my_exceptions import TransportableException
27 from .disk import memstr_to_bytes
---> 28 from ._parallel_backends import (FallbackToBackend, MultiprocessingBackend,
29 ThreadingBackend, SequentialBackend,
30 LokyBackend)
~\anaconda3\lib\site-packages\sklearn\externals\joblib\_parallel_backends.py in
20 from .pool import MemmappingPool
21 from multiprocessing.pool import ThreadPool
---> 22 from .executor import get_memmapping_executor
23
24 # Compat between concurrent.futures and multiprocessing TimeoutError
~\anaconda3\lib\site-packages\sklearn\externals\joblib\executor.py in
12 from .disk import delete_folder
13 from ._memmapping_reducer import get_memmapping_reducers
---> 14 from .externals.loky.reusable_executor import get_reusable_executor
15
16
~\anaconda3\lib\site-packages\sklearn\externals\joblib\externals\loky\__init__.py in
10
11 from .backend.context import cpu_count
---> 12 from .backend.reduction import set_loky_pickler
13 from .reusable_executor import get_reusable_executor
14 from .cloudpickle_wrapper import wrap_non_picklable_objects
~\anaconda3\lib\site-packages\sklearn\externals\joblib\externals\loky\backend\reduction.py in
123 # global variable to change the pickler behavior
124 try:
--> 125 from sklearn.externals.joblib.externals import cloudpickle # noqa: F401
126 DEFAULT_ENV = "cloudpickle"
127 except ImportError:
~\anaconda3\lib\site-packages\sklearn\externals\joblib\externals\cloudpickle\__init__.py in
1 from __future__ import absolute_import
2
----> 3 from .cloudpickle import *
4
5 __version__ = &＃039;0.8.0&＃039;
~\anaconda3\lib\site-packages\sklearn\externals\joblib\externals\cloudpickle\cloudpickle.py in
150
151
--> 152 _cell_set_template_code = _make_cell_set_template_code()
153
154
~\anaconda3\lib\site-packages\sklearn\externals\joblib\externals\cloudpickle\cloudpickle.py in _make_cell_set_template_code()
131 )
132 else:
--> 133 return types.CodeType(
134 co.co_argcount,
135 co.co_kwonlyargcount,
TypeError: an integer is required (got type bytes)

代码没有问题, 可能是sklearn 安装有问题