def load_item_types():
    item_types = {}
    for meta_source in META_SOURCES.values():
        item_types.update(meta_source.item_types)
    return item_types
Calculates the candidate scores for the entries given a left NT (for printNBest)
dataset/ETHPy150Open beetbox/beets/beetsplug/metasync/__init__.py/load_item_types--crossover with--dataset/ETHPy150Open sfu-natlang/Kriya/src/Kriya-Decoder/cell.py/Cell.calcCandScore