Upgrade to release 2.1.6:
- from_stringraises a ValueError if given string cannot be parsed
to an interval
- Drop official support for Python 3.5
- Use black as official code formatting
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Trevor Gamblin <trevor.gamblin@windriver.com>