问题描述
在调用Python脚本时,出现以下错误:
Traceback (most recent call last):
File "/path/t/file/file.py", line 61, in <module>
from sklearn.externals import joblib
File "/anaconda2/lib/python2.7/site-packages/sklearn/__init__.py", line 20, in <module>
import logging
File "/anaconda2/lib/python2.7/logging/__init__.py", line 26, in <module>
import sys, os, time, cStringIO, traceback, warnings, weakref, collections
File "/anaconda2/lib/python2.7/weakref.py", line 14, in <module>
from _weakref import (
ImportError: cannot import name _remove_dead_weakref
Failed to load file
正如错误日志中所述,当我导入时会发生这种情况:
from sklearn.externals import joblib
注意事项
注意1:
仅调用import sklearn
也会产生此错误。
注意2: 仅运行没有其他导入语句和文件中其余代码注释的情况下,也会产生错误。
注意3: Objective-C代码通过Python C API (https://docs.python.org/2/c-api/index.html) 调用此Python文件。 在另一台具有完全相同规格和操作系统的机器上运行正常(请参见以下详细信息)。
注意4:
如果我从终端调用Python然后调用import sklearn
或from sklearn.externals import joblib
(不是从Objective-C调用),则没有错误。
注意5:
我不认为我安装了任何虚拟环境。我尝试在终端上调用pyenv
、pyvenv
和virtualenv
,总是得到-bash: pyvenv: command not found
。
详细信息
我尝试在两台配置相同、运行Mac OS 10.13的MacBook Pro上进行测试。(代码在其中一台机器上可以工作,在另一台机器上失败)
我已经在代码失败的机器上添加了以下行:
(a)可执行文件调用的脚本和(b)终端上的Python CLI:
print ">>>>>>>>>"+str(sys.executable)
print ">>>>>>>>>"+str(sys.version)
print "++++++++++++++++++++++++++++++++++++++++++++++++++++"
for p in sys.path:
print p
脚本执行失败的输出:
>>>>>>>>>/anaconda2/bin/python
>>>>>>>>>2.7.10 (default, Feb 6 2017, 23:53:20)
[GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.34)]
++++++++++++++++++++++++++++++++++++++++++++++++++++
/anaconda2/lib/python27.zip
/anaconda2/lib/python2.7
/anaconda2/lib/python2.7/plat-darwin
/anaconda2/lib/python2.7/plat-mac
/anaconda2/lib/python2.7/plat-mac/lib-scriptpackages
/anaconda2/lib/python2.7/lib-tk
/anaconda2/lib/python2.7/lib-old
/anaconda2/lib/python2.7/lib-dynload
/anaconda2/lib/python2.7/site-packages
/anaconda2/lib/python2.7/site-packages/aeosa
~/Desktop/Test Software/Sources/*****/path/to/.py/file/*****/Classification
终端输出:
>>> sys.executable
'/anaconda2/bin/python'
>>> sys.version
'2.7.14 |Anaconda, Inc.| (default, Dec 7 2017, 11:07:58) \n[GCC 4.2.1 Compatible Clang 4.0.1 (tags/RELEASE_401/final)]'
>>> for p in sys.path:
... print p
...
/anaconda2/lib/python27.zip
/anaconda2/lib/python2.7
/anaconda2/lib/python2.7/plat-darwin
/anaconda2/lib/python2.7/plat-mac
/anaconda2/lib/python2.7/plat-mac/lib-scriptpackages
/anaconda2/lib/python2.7/lib-tk
/anaconda2/lib/python2.7/lib-old
/anaconda2/lib/python2.7/lib-dynload
/anaconda2/lib/python2.7/site-packages
/anaconda2/lib/python2.7/site-packages/aeosa
基本上,我得到的东西是一样的,除了版本之外,而且(显然)我也看到了搜索路径中.py文件的路径。
which python python3
的输出吗? - Abhi