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virtualenvとvirtualenvwrapperをインストールする際に問題があり、試してみると以下のエラーが表示されます。誰も助けてもらえますか？virtualenvとvirtualenvwrapperのインストール時に問題が発生する
MacBook-Pro:~ adrian$ pip install virtualenvwrapper
Collecting virtualenvwrapper
Using cached virtualenvwrapper-4.7.2.tar.gz
Complete output from command python setup.py egg_info:
Download error on https://pypi.python.org/simple/pbr/: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:749) -- Some packages may not be found!
Couldn't find index page for 'pbr' (maybe misspelled?)
Download error on https://pypi.python.org/simple/: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:749) -- Some packages may not be found!
No local packages or working download links found for pbr
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/private/var/folders/8y/01r_vzmn1bb30myt3sbb5j5m0000gn/T/pip-build-umhhmr_f/virtualenvwrapper/setup.py", line 7, in <module>
pbr=True,
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/distutils/core.py", line 108, in setup
_setup_distribution = dist = klass(attrs)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/setuptools/dist.py", line 317, in __init__
self.fetch_build_eggs(attrs['setup_requires'])
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/setuptools/dist.py", line 372, in fetch_build_eggs
replace_conflicting=True,
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/pkg_resources/__init__.py", line 851, in resolve
dist = best[req.key] = env.best_match(req, ws, installer)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/pkg_resources/__init__.py", line 1123, in best_match
return self.obtain(req, installer)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/pkg_resources/__init__.py", line 1135, in obtain
return installer(requirement)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/setuptools/dist.py", line 440, in fetch_build_egg
return cmd.easy_install(req)
File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/setuptools/command/easy_install.py", line 668, in easy_install
raise DistutilsError(msg)
distutils.errors.DistutilsError: Could not find suitable distribution for Requirement.parse('pbr')
コマンド "のpython setup.py egg_info" エラーコード1で失敗しました/民間の/ var /フォルダ/ 8Y/01r_vzmn1bb30myt3sbb5j5m0000gn/T/PIP-ビルドumhhmr_f/virtualenvwrapper/