現象：
$ python
Python 2.6.6 (r266:84292, Jun 20 2019, 14:14:55)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-23)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy
Traceback (most recent call last):
File "", line 1, in
File "/usr/lib64/python2.6/numpy/__init__.py", line 142, in
from . import core
File "/usr/lib64/python2.6/numpy/core/__init__.py", line 71, in
raise ImportError(msg)
ImportError:
IMPORTANT: PLEASE READ THIS FOR ADVICE ON HOW TO SOLVE THIS ISSUE!
Importing the multiarray numpy extension module failed. Most
likely you are trying to import a failed build of numpy.
Here is how to proceed:
- If you're working with a numpy git repository, try `git clean -xdf`
(removes all files not under version control) and rebuild numpy.
- If you are simply trying to use the numpy version that you have installed:
your installation is broken - please reinstall numpy.
- If you have already reinstalled and that did not fix the problem, then:
1. Check that you are using the Python you expect (you're using /usr/bin/python),
and that you have no directories in your PATH or PYTHONPATH that can
interfere with the Python and numpy versions you're trying to use.
2. If (1) looks fine, you can open a new issue at
https://github.com/numpy/numpy/issues. Please include details on:
- how you installed Python
- how you installed numpy
- your operating system
- whether or not you have multiple versions of Python installed
- if you built from source, your compiler versions and ideally a build log
Note: this error has many possible causes, so please don't comment on
an existing issue about this - open a new one instead.
Original error was: /usr/lib64/python2.6/numpy/core/_multiarray_umath.so: undefined symbol: PyOS_string_to_double
>>>
最終解決：
看起來就是“/usr/lib64/python2.6/”和“/usr/lib64/python2.6/site-packages/”裡各有一個numpy。
把“/usr/lib64/python2.6/”裡的numpy重命名成了别的，似乎之後就正常了。
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