current process gets forked, after parallelism has already been used

[EddyDavies]

Describe the bug When using the DataSilo function following this article the second cell under Data Processor produce this error code. Error message

huggingface/tokenizers: The current process just got forked, after parallelism has already been used. Disabling parallelism to avoid deadlocks...
To disable this warning, you can either:
    - Avoid using `tokenizers` before the fork if possible
    - Explicitly set the environment variable TOKENIZERS_PARALLELISM=(true | false)

Expected behavior No error message

To Reproduce Run the Jupyter Notebook from the article

System:

• OS: Mac 11.5
• GPU/CPU: 2 GHz Quad-Core Intel Core i5
• FARM version: 0.8.0

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