Update requirements.txt

requirements.txt

@@ -1,18 +1,13 @@
-# Sentence Embedding
-sentence-transformers==2.7.0  # Compatible with huggingface-hub>=0.19
-
-# Transformers and hub
+sentence-transformers==2.7.0
+torch>=2.1.0
 transformers==4.39.3
 huggingface-hub>=0.19.4
-
-# FAISS vector search
-faiss-cpu
-
-# LangChain for document Q&A
-langchain==0.0.196
-
-# Gradio UI
-gradio==4.17.0
-
-# Torch for model backend
-torch>=2.1.0
+faiss-cpu==1.11.0
+langchain==0.1.16         # Compatible with pydantic >=2
+gradio==4.17.0             # Requires pydantic >=2
+datasets
+hf_xet>=1.0.0,<2.0.0
+hf-transfer>=0.1.4
+protobuf<4
+click<8.1
+pydantic>=2.0              # Ensures compatibility with both langchain 0.1.16 and gradio 4.17.0