Ubuntu
maas package

  1. Bug #1652113
  2. Comment #3

Comment 3 for bug 1652113

Revision history for this message
Brian Morton (rokclimb15) wrote :

Ref https://bugs.launchpad.net/ubuntu/+source/python3.5/+bug/1650202 and https://github.com/python/typing/commit/7baf6fe2a6d96ab09c807aac174650baa35d15dd

Optional returns a Union, which can't be subclassed.