MacBook-Air-de-Arturo:~ Administrador$ pip install Cython==0.26.1
/Library/Frameworks/Python.framework/Versions/3.6/bin/pip:6: UserWarning: Unbuilt egg for Unknown [unknown version] (/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages)
from pkg_resources import load_entry_point
Requirement already satisfied: Cython==0.26.1 in /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages (0.26.1)
Could not install packages due to an EnvironmentError: [Errno 2] No such file or directory: '/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/~ython-0.28.2.dist-info/METADATA'
MacBook-Air-de-Arturo:~ Administrador$ sudo pip install Cython==0.26.1
Password:
/Library/Frameworks/Python.framework/Versions/3.6/bin/pip:6: UserWarning: Unbuilt egg for Unknown [unknown version] (/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages)
from pkg_resources import load_entry_point
The directory '/Users/arturomartinez/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/Users/arturomartinez/Library/Caches/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Requirement already satisfied: Cython==0.26.1 in /Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages (0.26.1)
Could not install packages due to an EnvironmentError: [Errno 2] No such file or directory: '/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/~ython-0.28.2.dist-info/METADATA'
You are using pip version 10.0.1, however version 19.0.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
MacBook-Air-de-Arturo:~ Administrador$