cmd_filter is supposed to be set to None if there is no filter according to the API documentation. This is not actually allowed currently though according to the type information. Update the type information to match what is intended.
MLGO Python Utilities
This folder contains MLGO Python utilities, particularly infrastructure to help enable ML applications within LLVM, especially tooling to extract corpora that can be used in downstream projects to train ML models and perform other tasks that benefit from having a large amount of data.