Ошибка при импорте библиотеки sklearn

Когда хочу импортировать библиотеку sklearn, то получаю следующую ошибку: (Я перепробовал множество способов решений этой проблемы, но ничего не помогло)

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-1-b7c74cbf5af0> in <module>
----> 1 import sklearn

~\anaconda3\lib\site-packages\sklearn\__init__.py in <module>
 80     from . import _distributor_init  # noqa: F401
 81     from . import __check_build  # noqa: F401
---> 82     from .base import clone
 83     from .utils._show_versions import show_versions
 84 

~\anaconda3\lib\site-packages\sklearn\base.py in <module>
 15 from . import __version__
 16 from ._config import get_config
---> 17 from .utils import _IS_32BIT
 18 from .utils._tags import (
 19     _DEFAULT_TAGS,

~\anaconda3\lib\site-packages\sklearn\utils\__init__.py in <module>
 26 from ..exceptions import DataConversionWarning
 27 from .deprecation import deprecated
---> 28 from .fixes import np_version, parse_version
 29 from ._estimator_html_repr import estimator_html_repr
 30 from .validation import (

~\anaconda3\lib\site-packages\sklearn\utils\fixes.py in <module>
 17 import scipy.sparse as sp
 18 import scipy
---> 19 import scipy.stats
 20 from scipy.sparse.linalg import lsqr as sparse_lsqr  # noqa
 21 from .._config import config_context, get_config

~\anaconda3\lib\site-packages\scipy\stats\__init__.py in <module>
389 
390 """
--> 391 from .stats import *
392 from .distributions import *
393 from .morestats import *

~\anaconda3\lib\site-packages\scipy\stats\stats.py in <module>
178 import scipy.special as special
179 from scipy import linalg
--> 180 from . import distributions
181 from . import mstats_basic
182 from ._stats_mstats_common import (_find_repeats, linregress, theilslopes,

~\anaconda3\lib\site-packages\scipy\stats\distributions.py in <module>
  6 #       instead of `git blame -Lxxx,+x`.
  7 #
----> 8 from ._distn_infrastructure import (entropy, rv_discrete, rv_continuous,
  9                                     rv_frozen)
 10 

~\anaconda3\lib\site-packages\scipy\stats\_distn_infrastructure.py in <module>
 21 
 22 # for root finding for continuous distribution ppf, and max likelihood estimation
---> 23 from scipy import optimize
 24 
 25 # for functions of continuous distributions (e.g. moments, entropy, cdf)

~\anaconda3\lib\site-packages\scipy\optimize\__init__.py in <module>
398 """
399 
--> 400 from .optimize import *
401 from ._minimize import *
402 from ._root import *

~\anaconda3\lib\site-packages\scipy\optimize\optimize.py in <module>
 34                          line_search_wolfe2 as line_search,
 35                          LineSearchWarning)
---> 36 from ._numdiff import approx_derivative
 37 from scipy._lib._util import getfullargspec_no_self as _getfullargspec
 38 from scipy._lib._util import MapWrapper

~\anaconda3\lib\site-packages\scipy\optimize\_numdiff.py in <module>
  4 from numpy.linalg import norm
  5 
----> 6 from scipy.sparse.linalg import LinearOperator
  7 from ..sparse import issparse, csc_matrix, csr_matrix, coo_matrix, find
  8 from ._group_columns import group_dense, group_sparse

~\anaconda3\lib\site-packages\scipy\sparse\linalg\__init__.py in <module>
112 from .dsolve import *
113 from .interface import *
--> 114 from .eigen import *
115 from .matfuncs import *
116 from ._onenormest import *

~\anaconda3\lib\site-packages\scipy\sparse\linalg\eigen\__init__.py in <module>
  7 
  8 """
----> 9 from .arpack import *
 10 from .lobpcg import *
 11 

~\anaconda3\lib\site-packages\scipy\sparse\linalg\eigen\arpack\__init__.py in <module>
 18 
 19 """
---> 20 from .arpack import *

~\anaconda3\lib\site-packages\scipy\sparse\linalg\eigen\arpack\arpack.py in <module>
 40 __all__ = ['eigs', 'eigsh', 'svds', 'ArpackError', 'ArpackNoConvergence']
 41 
---> 42 from . import _arpack
 43 arpack_int = _arpack.timing.nbx.dtype
 44 

ImportError: DLL load failed while importing _arpack: Не найдена указанная процедура.