Óscar

I think that there is an error opening sigmf archive files. The compliant dataset file is no recognized as a valid file because the relative path of the tar member...

SigMFile data_file is None from archive

1

`SigMFFile` member `data_file` is `None` when creaeting a `SigMFFile` from archive. This ends up raising an exception when calling `get_capture_byte_boundarys` due to calling `path.getsize` with `None`. https://github.com/sigmf/sigmf-python/blob/bd260606e72dde3526bab4d30a97cc7608b1f161/sigmf/sigmffile.py#L390 I don't know...

Non cached example `make_non_cached_api_call` uses `cache_control` block https://github.com/anthropics/anthropic-cookbook/blame/66ee346c51bdcfd7557b5a14b6790e701f09545e/misc/prompt_caching.ipynb#L168C9-L168C9