Update requirements.txt

requirements.txt

@@ -1,16 +1,13 @@
-streamlit
-fastapi
-uvicorn
-langchain
-langchain-community
-langchainhub
-sentence-transformers
-huggingface_hub
-pydantic
-python-multipart
-PyPDF2
-faiss-cpu
-requests
-joblib
-python-dotenv
-langchain-huggingface
+streamlit==1.39.0 
+fastapi==0.115.2 
+uvicorn==0.32.0 
+langchain==0.3.3 
+langchain-huggingface==0.1.0 
+sentence-transformers==3.2.1 
+pypdf2==3.0.1 
+faiss-cpu==1.9.0 
+python-dotenv==1.0.1 
+pytest==8.3.3 
+pytest-asyncio==0.24.0 
+ragas==0.2.0 
+aiohttp==3.10.10