def ait_build_cache_skip_percentage() -> int:
    """
    When set to a non-empty string, and if AIT_BUILD_CACHE_DIR
    is set, the build cache will be skipped randomly with
    a probability correspinding to the specified percentage

    Returns:
        int: Integer value of AIT_BUILD_CACHE_SKIP_PERCENTAGE environment variable,
        or 5 if not set.
    """
    return int(os.environ.get("AIT_BUILD_CACHE_SKIP_PERCENTAGE", "30"))
When set to a non-empty string, and if AIT_BUILD_CACHE_DIR
is set, the build cache will be skipped randomly with
a probability correspinding to the specified percentage

Returns:
int: Integer value of AIT_BUILD_CACHE_SKIP_PERCENTAGE environment variable,
or 5 if not set.
python/aitemplate/utils/environ.py