Update requirements.txt

requirements.txt

@@ -2,16 +2,15 @@
 torch>=2.0.0
 transformers>=4.35.0
 accelerate>=0.24.0
-bitsandbytes>=0.41.0
 
 # Hugging Face ecosystem
 huggingface-hub>=0.17.0
 sentence-transformers>=2.2.0
 
-# LangChain ecosystem
+# LangChain ecosystem - updated versions to avoid deprecation warnings
 langchain>=0.1.0
-langchain-community>=0.0.10
-langchain-huggingface>=0.0.1
+langchain-community>=0.0.20
+langchain-core>=0.1.0
 
 # Vector database
 chromadb>=0.4.15