Log Message:
py-mypy: updated to 0.991

Mypy 0.991

Basic Python 3.11 Support
Breaking Change: No Implicit Optional Types for Arguments
Breaking Change: Namespace Packages Enabled by Default
Recursive Types Enabled By Default
Error Codes Shown by Default
Safe Handling of Empty Function Bodies
Enabling Experimental Features Individually
Configuring Packages/Modules in the Config File
Warn about Variable Annotations in Unchecked Functions
Error Code for Using an Abstract Class as type[T]
Performance Improvements