tree 03424cb9ae90a6a692898f88f86a4377750eb0b4
parent a7af81244972ae6ac30bd55260af46b7ce25a6e1
author Anthony Sottile <asottile@umich.edu> 1555802518 -0700
committer Anthony Sottile <asottile@umich.edu> 1555802518 -0700

Use AbstractSet to appease mypy