Improved math model

Merge pull request datalab-to#424 from datalab-to/dev

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Merge pull request datalab-to#415 from datalab-to/dev

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Merge pull request datalab-to#413 from datalab-to/dev

Bump recognition model

Merge pull request datalab-to#412 from datalab-to/dev

OCR model update

Merge pull request datalab-to#409 from datalab-to/dev

Pin transformers version

Merge pull request datalab-to#392 from datalab-to/dev

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Merge pull request datalab-to#384 from VikParuchuri/dev

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Merge pull request datalab-to#383 from VikParuchuri/dev

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Merge pull request datalab-to#379 from VikParuchuri/dev

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