Update requirements.txt

requirements.txt

@@ -1,12 +1,7 @@
-transformers==4.31.0
-accelerate==0.21.0
-auto-gptq==0.3.0
-sentence-transformers==2.2.2
-faiss-cpu==1.7.3
-langchain==0.0.196# Sentence Embeddings
+# Sentence Embeddings
 sentence-transformers==2.2.2
 
-# Required version due to deprecated `cached_download`
+# Required version due to deprecated cached_download
 huggingface-hub==0.16.4
 
 # Transformers for model loading
@@ -16,20 +11,10 @@ transformers==4.39.3
 faiss-cpu
 
 # LangChain for document Q&A
-langchain
+langchain==0.0.196
 
-# UI
-gradio
+# UI framework
+gradio==4.17.0
 
-# Torch backend (adjust based on Space or local env)
+# Torch backend (tuned for Spaces)
 torch>=2.1.0
-# For PDF loading
-# pypdf
-
-# If using local file management
-# python-multipart
-
-langchain-community==0.0.17
-huggingface-hub==0.15.1
-torch==2.0.1
-gradio==3.45.0