错误：
[root@centos64 numpy-1.13.1]# pip install numpy-1.13.1-cp27-cp27m-manylinux1_x86_64.whl
Traceback (most recent call last):
File "/usr/local/python-3.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 659, in _build_master
ws.require(__requires__)
File "/usr/local/python-3.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 967, in require
needed = self.resolve(parse_requirements(requirements))
File "/usr/local/python-3.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 858, in resolve
raise VersionConflict(dist, req).with_context(dependent_req)
pkg_resources.VersionConflict: (pip 9.0.1 (/usr/local/python-3.3/lib/python3.6/site-packages), Requirement.parse('pip==7.1.0'))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/bin/pip", line 5, in <module>
from pkg_resources import load_entry_point
File "/usr/local/python-3.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3017, in <module>
@_call_aside
File "/usr/local/python-3.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3003, in _call_aside
f(*args, **kwargs)
File "/usr/local/python-3.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3030, in _initialize_master_working_set
working_set = WorkingSet._build_master()
File "/usr/local/python-3.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 661, in _build_master
return cls._build_from_requirements(__requires__)
File "/usr/local/python-3.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 674, in _build_from_requirements
dists = ws.resolve(reqs, Environment())
File "/usr/local/python-3.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 853, in resolve
raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'pip==7.1.0' distribution was not found and is required by the application
原因：
同一个系统上安装了多个不同的版本的pip, 运行pip时需要用绝对路径指定运行相应版本的pip。
/dat3/wasp/anaconda_py27/bin/pip install numpy-1.13.1-cp27-cp27m-manylinux1_x86_64.whl
numpy-1.13.1-cp27-cp27m-manylinux1_x86_64.whl is not a supported wheel on this platform.
/dat3/wasp/anaconda_py27/bin/pip install numpy
Requirement already satisfied: numpy in /dat3/wasp/anaconda_py27/lib/python2.7/site-packages