Fix Python 3.9 compatibility by adding future annotations#7

InauguralPhysicist merged 1 commit intomainInauguralPhysicist/EigenFunction:mainfrom

claude/fix-python-39-type-annotations-01VeYQ32xKP6paZeaPNvKEN8InauguralPhysicist/EigenFunction:claude/fix-python-39-type-annotations-01VeYQ32xKP6paZeaPNvKEN8Copy head branch name to clipboard