錯誤與PIP

升級這個問題涉及到一個問題在這裏後，進口numpy的：Unable to import numpy 錯誤與PIP

我跑：sudo的PIP安裝--upgrade numpy的

然後，當我跑蟒蛇試圖導入numpy的我這個奇怪的錯誤！我要瘋了！

>>> import numpy 
Traceback (most recent call last): 
    File "<stdin>", line 1, in <module> 
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/numpy/__init__.py", line 153, in <module> 
    from . import add_newdocs 
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/numpy/add_newdocs.py", line 13, in <module> 
    from numpy.lib import add_newdoc 
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/numpy/lib/__init__.py", line 18, in <module> 
    from .polynomial import * 
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/numpy/lib/polynomial.py", line 19, in <module> 
    from numpy.linalg import eigvals, lstsq, inv 
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/numpy/linalg/__init__.py", line 50, in <module> 
    from .linalg import * 
    File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/numpy/linalg/linalg.py", line 29, in <module> 
    from numpy.linalg import lapack_lite, _umath_linalg 
ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/numpy/linalg/lapack_lite.so, 2): Symbol not found: __gfortran_compare_string 
    Referenced from: /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/numpy/linalg/lapack_lite.so 
    Expected in: flat namespace 
in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/numpy/linalg/lapack_lite.so 
>>>

編輯：我也跑了這一點：

$ pip show numpy 
--- 
Name: numpy 
Version: 1.8.0 
Location: /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages 
Requires:

來源

2014-02-27 Jack Twain

如果你運行'pip show numpy'，你會得到什麼？ –

@RobWatts用編輯更新了這個問題 –

嗯...... pip顯示正確的版本。 numpy目錄中是否有'version.py'？如果是這樣，它說它在那裏有什麼版本？ –

的修復對我來說，是通過MacPorts的手動安裝GCC：

sudo port install gcc48

...它安裝gfortran，但沒有numpy似乎期待的別名（gfortran）。然後我們做一個符號鏈接：

sudo ln -s /opt/local/bin/gfortran-mp-4.8 /opt/local/bin/gfortran

在那之後，我卸載，並通過PIP重新安裝numpy的，它就像一個魅力。

這昨晚固定的問題，我在小牛隊。從我讀過的內容來看，gfortran曾經是OS X命令行工具的一部分，但並不像Lion那樣。單獨安裝gcc「修復」。

來源

2014-05-06 14:20:02

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