Streaming mode broken?

#3
by jnemecek - opened

Streaming mode was working a few weeks ago, but seems broken now. I'm not sure if the recent PR made the change, but attempts to load from previous commits did not solve the problem.

    244     n_files_path = dl_manager.download(n_files_url)
    245 
--> 246     with open(n_files_path, "r", encoding="utf-8") as file:
    247         n_files = int(file.read().strip())  # the file contains a number of archives
    248 

ValueError: I/O operation on closed file.

With some troubleshooting, I traced this back to fsspec. Full details on the huggingface github. Bottom line, fsspec needs to be < 2022.08.02.

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