unstructured==0.11.8 layoutparser[layoutmodels,tesseract]==0.3.4 unstructured-inference==0.7.18 pikepdf==8.11.2 pdfplumber==0.10.3 pdfminer.six==20221105 pdf2image==1.16.3 langchain==0.0.336 pypdf==3.17.4 PyPDF2==3.0.1 pypdfium2==4.25.0 sentence-transformers==2.2.2 accelerate==0.25.0 chromadb==0.4.22 langchain-community==0.0.8