Scikit学习无法只导入Jupyter笔记本

我有安装在OS X上的Anaconda。我能够从python终端和IPython终端导入sklearn。但是，当我尝试从Jupyter笔记本导入sklearn，我得到以下错误：Scikit学习无法只导入Jupyter笔记本

--------------------------------------------------------------------------- 
ImportError        Traceback (most recent call last) 
<ipython-input-4-8fd979e02004> in <module>() 
----> 1 import sklearn 

/Users/joe/anaconda/envs/data_env/lib/python3.5/site-packages/sklearn/__init__.py in <module>() 
    55 else: 
    56  from . import __check_build 
---> 57  from .base import clone 
    58  __check_build # avoid flakes unused variable error 
    59 

/Users/joe/anaconda/envs/data_env/lib/python3.5/site-packages/sklearn/base.py in <module>() 
    10 from scipy import sparse 
    11 from .externals import six 
---> 12 from .utils.fixes import signature 
    13 from .utils.deprecation import deprecated 
    14 from .exceptions import ChangedBehaviorWarning as _ChangedBehaviorWarning 

/Users/joe/anaconda/envs/data_env/lib/python3.5/site-packages/sklearn/utils/__init__.py in <module>() 
     9 
    10 from .murmurhash import murmurhash3_32 
---> 11 from .validation import (as_float_array, 
    12       assert_all_finite, 
    13       check_random_state, column_or_1d, check_array, 

/Users/joe/anaconda/envs/data_env/lib/python3.5/site-packages/sklearn/utils/validation.py in <module>() 
    16 
    17 from ..externals import six 
---> 18 from ..utils.fixes import signature 
    19 from .deprecation import deprecated 
    20 from ..exceptions import DataConversionWarning as _DataConversionWarning 

/Users/joe/anaconda/envs/data_env/lib/python3.5/site-packages/sklearn/utils/fixes.py in <module>() 
    288  from ._scipy_sparse_lsqr_backport import lsqr as sparse_lsqr 
    289 else: 
--> 290  from scipy.sparse.linalg import lsqr as sparse_lsqr 
    291 
    292 

/Users/joe/anaconda/envs/data_env/lib/python3.5/site-packages/scipy/sparse/linalg/__init__.py in <module>() 
    110 from __future__ import division, print_function, absolute_import 
    111 
--> 112 from .isolve import * 
    113 from .dsolve import * 
    114 from .interface import * 

/Users/joe/anaconda/envs/data_env/lib/python3.5/site-packages/scipy/sparse/linalg/isolve/__init__.py in <module>() 
     4 
     5 #from info import __doc__ 
----> 6 from .iterative import * 
     7 from .minres import minres 
     8 from .lgmres import lgmres 

/Users/joe/anaconda/envs/data_env/lib/python3.5/site-packages/scipy/sparse/linalg/isolve/iterative.py in <module>() 
     5 __all__ = ['bicg','bicgstab','cg','cgs','gmres','qmr'] 
     6 
----> 7 from . import _iterative 
     8 
     9 from scipy.sparse.linalg.interface import LinearOperator 

ImportError: dlopen(/Users/joe/anaconda/envs/data_env/lib/python3.5/site-packages/scipy/sparse/linalg/isolve/_iterative.so, 2): Library not loaded: /usr/local/lib/libgcc_s.1.dylib 
    Referenced from: /Users/joe/anaconda/envs/data_env/lib/python3.5/site-packages/scipy/sparse/linalg/isolve/_iterative.so 
    Reason: image not found

我可以导入numpy的，SciPy的，和大熊猫从Jupyter笔记本罚款。这只是sklearn失败。

我也尝试过创建一个新的conda环境（conda create -n test_env jupyter notebook matplotlib scipy numpy pandas scikit-learn），但该错误在新环境中也存在。

来源

2016-10-06 Joe Antognini

尝试打印哪个python解释器使用 – Julius

安装jupyter它看起来是一样的。 ''python'生成'/ Users/joe/anaconda/bin/python'和'sys.executable'会在Jupyter笔记本或标准Python或IPython终端中产生相同结果。 –

我设法弄清楚发生了什么，所以我会在这里发布我的解决方案，以防其他人遇到同样的问题。事实证明，当我安装另一个软件时，我修改了我的.bashrc文件中的DYLD_FALLBACK_LIBRARY_PATH环境变量。将此环境变量恢复为其默认值可以解决我的问题。（顺便说一句，scikit-learn也没有在标准的Python终端中导入，我最初并没有意识到这一点，因为我在一个环境中测试了Python终端，在这个环境中，我不小心将环境变量恢复到了它们的环境变量默认情况下，覆盖我在我的.bashrc文件中所做的更改。）

来源

2016-10-06 23:03:09

Scikit学习无法只导入Jupyter笔记本

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