[mypy] Fix type annotations for stack_using_dll.py#5577

Merged

cclauss merged 2 commits intoTheAlgorithms:masterfrom

archaengel:mypy-fix-stack-dll

Oct 26, 2021

Commits on Oct 24, 2021

Fix mypy annotations for stack_using_dll.py
archaengel
committed

Commits on Oct 26, 2021

Replace Optional with inline union type
archaengel
committed