Update git submodules

* Update keystone from branch 'master'
  - Merge "Add py37 tox env"
  - Add py37 tox env
    
    With python3.7 jobs added to the Zuul jobs, it makes sense to add this
    to the tox config too so that developers can run python3.7 tests as
    well.
    
    Change-Id: I87ba933d57de746651427386d76d5b70b7cf45b8
This commit is contained in:
Zuul 2019-02-26 21:59:09 +00:00 committed by Gerrit Code Review
parent 18d71c9370
commit 02745294e8
1 changed files with 1 additions and 1 deletions

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Subproject commit 5b410cfd815b84cc411d90c3a10f4530d82968d6
Subproject commit 00663f93b7e9513602d73dcd0aba7ad1cc1feefc