Add stubs for WTForms#10557

Merged

JelleZijlstra merged 11 commits intopython:mainfrom

Daverball:wtforms

Sep 29, 2023

Commits on Aug 16, 2023

Fixes return type of `wtforms.form.BaseForm.errors`
Daverball
committed

Commits on Sep 28, 2023

Improves type safety of `Form._unbound_fields`
Daverball
committed