I tried to upgrade dateutil from 2.5.3 to the newest version 2.6.0 with pip install dateutil --upgrade, but got the issue Could not find a version.
$ pip install dateutil --upgrade
Collecting dateutil
Could not find a version that satisfies the requirement dateutil (from versions: )
No matching distribution found for dateutil
I checked the post Could not find a version that satisfies the requirement . Running pip freeze | grep dateutil got,
$ pip freeze | grep dateutil
python-dateutil==2.5.3
How do I know which version satisfies my machine? Is it possible to upgrade dateutil to the newest version?