What's Changed
* Add OCR Provider, MistralOCR by NolanTrem in https://github.com/SciPhi-AI/R2R/pull/2092
* Fix async streaming in Python SDK by NolanTrem in https://github.com/SciPhi-AI/R2R/pull/2095
* Add OCR Provider to Unstructured Provider by NolanTrem in https://github.com/SciPhi-AI/R2R/pull/2098
* Feature/fix filter logic by emrgnt-cmplxty in https://github.com/SciPhi-AI/R2R/pull/2099
* Expand unit tests by emrgnt-cmplxty in https://github.com/SciPhi-AI/R2R/pull/2081
* Implement RetryableR2RAsyncClient by NolanTrem in https://github.com/SciPhi-AI/R2R/pull/2096
* fix tests by emrgnt-cmplxty in https://github.com/SciPhi-AI/R2R/pull/2101
**Full Changelog**: https://github.com/SciPhi-AI/R2R/compare/v3.5.6...v3.5.7