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Summary: Close: https://github.com/Unstructured-IO/unstructured/issues/1920 * stop passing in empty string from `languages` to tesseract, which will result in passing empty string to language config `-l` for the tesseract CLI * also stop passing in duplicate language code from `languages` to tesseract OCR * if we failed to convert any iso languages from the `languages` parameter, proceed OCR with `eng` as default ### Test * First confirm the tesseract error `Estimating resolution as X` before this: * on the `unstructured-api` repo with main branch, run `make run-web-app` * curl to test error from empty string, or just any wrong input like `-F 'languages="eng,de"'`: ``` curl -X 'POST' 'http://0.0.0.0:8000/general/v0/general' \ -H 'accept: application/json' \ -H 'Content-Type: multipart/form-data' \ -F 'files=@sample-docs/layout-parser-paper-with-table.jpg' \ -F 'languages=""' \ -F 'strategy=hi_res' \ -F 'pdf_infer_table_structure=True' \ | jq -C . | less -R ``` * after this change: * in your unstructured API env, cd to unstructured repo and install it locally with `pip install -e .` * check out to this branch * run `make run-web-app` again in api repo * the curl command return output and see warning in log --------- Co-authored-by: qued <64741807+qued@users.noreply.github.com>