我正在尝试更新/升级我的 NumPy，但失败了。我想我可能在不同的目录中安装了多个版本的 NumPy，但默认情况下 python 会导入一个旧版本。有什么帮助吗？
这是我的 Python 所在的位置：
Gonzo-vs-Kitties:~ brian$ which python
/Library/Frameworks/Python.framework/Versions/2.7/bin/python
这是 Python 导入的版本：
Gonzo-vs-Kitties:~ brian$ python
Python 2.7.3 (v2.7.3:70274d53c1dd, Apr 9 2012, 20:52:43)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy
>>> print numpy.__version__
1.5.1
>>>
现在我使用 easy_install 来升级 NumPy：
Gonzo-vs-Kitties:~ brian$ sudo easy_install --upgrade numpy
Searching for numpy
Reading http://pypi.python.org/simple/numpy/
Reading http://numpy.scipy.org
Reading http://sourceforge.net/project/showfiles.php?group_id=1369&package_id=175103
Reading http://numeric.scipy.org
Best match: numpy 1.6.2
Processing numpy-1.6.2-py2.7-macosx-10.7-intel.egg
numpy 1.6.2 is already the active version in easy-install.pth
Installing f2py script to /usr/local/bin
Using /Library/Python/2.7/site-packages/numpy-1.6.2-py2.7-macosx-10.7-intel.egg
Processing dependencies for numpy
Finished processing dependencies for numpy
即使在我升级后，NumPy 仍然是旧版本：
>>> import numpy
>>> print numpy.__version__
1.5.1
>>>
这是我的系统路径：
>>> print sys.path
['', '/Library/Python/2.7/site-packages/nose-1.2.1-py2.7.egg', '/Library/Python/2.7/site-packages/virtualenv-1.8.2-py2.7.egg', '/Users/brian/Code/trac/genshi-trunk', '/Users/brian/Code/trac/trac-trunk', '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload', '/Library/Python/2.7/site-packages/pip-1.2.1-py2.7.egg', '/Library/Python/2.7/site-packages/numpy-1.6.2-py2.7-macosx-10.7-intel.egg', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python27.zip', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-old', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages', '/Library/Python/2.7/site-packages']
有任何想法吗？