Accept Sequence[ModelObject] instead of List[ModelObject]
The latter is invariant (because List is a mutable type), so it doesn't allow passing in lists of ModelObject subtypes.
Test Plan
mypy is happy
Migrated from D2990 (view on Phabricator)
The latter is invariant (because List is a mutable type), so it doesn't allow passing in lists of ModelObject subtypes.
mypy is happy
Migrated from D2990 (view on Phabricator)