def remove_unstable_values(s: str) -> str:
    """
    Remove unstable key/value pairs.

    Examples include:
    - <__main__.Test object at 0x7fb9f3793f50>
    - <function test_fn at 0x7fb9f37a8900>
    """
    pattern = r"<[\w\s_\. ]+ at 0x[a-z0-9]+>"
    return re.sub(pattern, "", s)

    Remove unstable key/value pairs.

    Examples include:
    - <__main__.Test object at 0x7fb9f3793f50>
    - <function test_fn at 0x7fb9f37a8900>
    
llama-index-core/llama_index/core/ingestion/pipeline.py