如何解决由命令安装导致的错误：sudo pip install virtualenvwrapper？
Collecting virtualenvwrapper
Downloading virtualenvwrapper-4.7.2.tar.gz (90kB)
100% |████████████████████████████████| 92kB 18kB/s
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/private/tmp/pip-build-Rhop8M/virtualenvwrapper/setup.py", line 7, in <module>
pbr=True,
File "/Applications/Canopy.app/appdata/canopy-1.6.2.3262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/distutils/core.py", line 111, in setup
_setup_distribution = dist = klass(attrs)
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/dist.py", line 268, in __init__
self.fetch_build_eggs(attrs['setup_requires'])
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/dist.py", line 312, in fetch_build_eggs
replace_conflicting=True,
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/pkg_resources/__init__.py", line 846, in resolve
dist = best[req.key] = env.best_match(req, ws, installer)
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/pkg_resources/__init__.py", line 1091, in best_match
return self.obtain(req, installer)
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/pkg_resources/__init__.py", line 1103, in obtain
return installer(requirement)
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/dist.py", line 379, in fetch_build_egg
return cmd.easy_install(req)
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 627, in easy_install
not self.always_copy, self.local_index
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/package_index.py", line 601, in fetch_distribution
self.find_packages(requirement)
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/package_index.py", line 438, in find_packages
self.scan_url(self.index_url + requirement.unsafe_name+'/')
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/package_index.py", line 772, in scan_url
self.process_url(url, True)
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/package_index.py", line 305, in process_url
f = self.open_url(url, "Download error on %s: %%s -- Some packages may not be found!" % url)
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/package_index.py", line 711, in open_url
return open_with_auth(url, self.opener)
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/package_index.py", line 905, in _socket_timeout
return func(*args, **kwargs)
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/package_index.py", line 1003, in open_with_auth
cred = PyPIConfig().find_credential(url)
File "/Users/Extremeways/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/setuptools/package_index.py", line 959, in __init__
self.read(rc)
File "/Applications/Canopy.app/appdata/canopy-1.6.2.3262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/ConfigParser.py", line 305, in read
self._read(fp, filename)
File "/Applications/Canopy.app/appdata/canopy-1.6.2.3262.macosx-x86_64/Canopy.app/Contents/lib/python2.7/ConfigParser.py", line 512, in _read
raise MissingSectionHeaderError(fpname, lineno, line)
ConfigParser.MissingSectionHeaderError: File contains no section headers.
file: /Users/Extremeways/.pypirc, line: 1
'index-servers=\n'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/tmp/pip-build-Rhop8M/virtualenvwrapper/