python2 and python3 install

gistfile1.txt

 brew install python python3
==> Downloading https://homebrew.bintray.com/bottles/python-2.7.13.sierra.bottle.tar.gz
Already downloaded: /Users/vagrant/Library/Caches/Homebrew/python-2.7.13.sierra.bottle.tar.gz
==> Pouring python-2.7.13.sierra.bottle.tar.gz
==> Using the sandbox
==> /usr/local/Cellar/python/2.7.13/bin/python -s setup.py --no-user-cfg install --force --verbose --single-version-externally-managed --record=installed.txt --install-scripts=/u
==> /usr/local/Cellar/python/2.7.13/bin/python -s setup.py --no-user-cfg install --force --verbose --single-version-externally-managed --record=installed.txt --install-scripts=/u
==> /usr/local/Cellar/python/2.7.13/bin/python -s setup.py --no-user-cfg install --force --verbose --single-version-externally-managed --record=installed.txt --install-scripts=/u
==> Caveats
Pip and setuptools have been installed. To update them
  pip install --upgrade pip setuptools

You can install Python packages with
  pip install <package>

They will install into the site-package directory
  /usr/local/lib/python2.7/site-packages

See: http://docs.brew.sh/Homebrew-and-Python.html
==> Summary
🍺  /usr/local/Cellar/python/2.7.13: 3,526 files, 48M
==> Downloading https://homebrew.bintray.com/bottles/python3-3.6.0.sierra.bottle.tar.gz
Already downloaded: /Users/vagrant/Library/Caches/Homebrew/python3-3.6.0.sierra.bottle.tar.gz
==> Pouring python3-3.6.0.sierra.bottle.tar.gz
==> /usr/local/Cellar/python3/3.6.0/bin/python3 -s setup.py --no-user-cfg install --force --verbose --install-scripts=/usr/local/Cellar/python3/3.6.0/bin --install-lib=/usr/local
Last 15 lines from /Users/vagrant/Library/Logs/Homebrew/python3/post_install.01.python3:
  File "/usr/local/Cellar/python3/3.6.0/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site.py", line 282, in addusersitepackages
    user_site = getusersitepackages()
  File "/usr/local/Cellar/python3/3.6.0/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site.py", line 258, in getusersitepackages
    user_base = getuserbase() # this will also set USER_BASE
  File "/usr/local/Cellar/python3/3.6.0/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site.py", line 248, in getuserbase
    USER_BASE = get_config_var('userbase')
  File "/usr/local/Cellar/python3/3.6.0/Frameworks/Python.framework/Versions/3.6/lib/python3.6/sysconfig.py", line 601, in get_config_var
    return get_config_vars().get(name)
  File "/usr/local/Cellar/python3/3.6.0/Frameworks/Python.framework/Versions/3.6/lib/python3.6/sysconfig.py", line 580, in get_config_vars
    import _osx_support
  File "/usr/local/Cellar/python3/3.6.0/Frameworks/Python.framework/Versions/3.6/lib/python3.6/_osx_support.py", line 4, in <module>
    import re
  File "/usr/local/Cellar/python3/3.6.0/Frameworks/Python.framework/Versions/3.6/lib/python3.6/re.py", line 142, in <module>
    class RegexFlag(enum.IntFlag):
AttributeError: module 'enum' has no attribute 'IntFlag'
Warning: The post-install step did not complete successfully
You can try again using `brew postinstall python3`
==> Caveats
Pip, setuptools, and wheel have been installed. To update them
  pip3 install --upgrade pip setuptools wheel

You can install Python packages with
  pip3 install <package>

They will install into the site-package directory
  /usr/local/lib/python3.6/site-packages

See: http://docs.brew.sh/Homebrew-and-Python.html
==> Summary
🍺  /usr/local/Cellar/python3/3.6.0: 3,038 files, 48M