python-dateutil
(vman) munakata@muna-E450:~/code/python/vman/vmanhmi$ pip install python-dateutil
Collecting python-dateutil
Using cached https://files.pythonhosted.org/packages/41/17/c62faccbfbd163c7f57f3844689e3a78bae1f403648a6afb1d0866d87fbb/python_dateutil-2.8.0-py2.py3-none-any.whl
Collecting six>=1.5 (from python-dateutil)
Using cached https://files.pythonhosted.org/packages/73/fb/00a976f728d0d1fecfe898238ce23f502a721c0ac0ecfedb80e0d88c64e9/six-1.12.0-py2.py3-none-any.whl
Installing collected packages: six, python-dateutil
Successfully installed python-dateutil-2.8.0 six-1.12.0