Update README.md

README.md

@@ -1,10 +1,10 @@
 ---
 title: RAG Document Q&A Assistant
 emoji: 📄
-colorFrom: blue
+colorFrom: green
 colorTo: purple
 sdk: gradio
-sdk_version: 4.44.1
+sdk_version: 6.5.1
 app_file: app.py
 pinned: false
 license: mit
@@ -91,11 +91,6 @@ collection = chroma_client.create_collection(name="documents", ...)
 **Problem:** Some PDFs have unusual formatting resulting in few chunks.
 **Solution:** PyMuPDF (fitz) handles most PDF formats reliably. For problematic PDFs, fixed-size chunking provides more consistent results than paragraph-based.
 
-### Challenge 3: Hugging Face Dependency Conflicts
-
-**Problem:** `ImportError: cannot import name 'HfFolder' from 'huggingface_hub'`
-**Cause:** Version mismatch between gradio and huggingface-hub.
-**Solution:** Pin specific compatible versions in requirements.txt.
 
 ## 📊 Features
 
@@ -127,4 +122,4 @@ collection = chroma_client.create_collection(name="documents", ...)
 - [RAG Document Q&A (LangChain version)](https://huggingface.co/spaces/Nav772/rag-document-qa)
 - [Movie Sentiment Analyzer](https://huggingface.co/spaces/Nav772/movie-sentiment-analyzer)
 - [Amazon Review Rating Predictor](https://huggingface.co/spaces/Nav772/amazon-review-rating-predictor)
-- [Food Image Classifier](https://huggingface.co/spaces/Nav772/food-image-classifier)
+- [Food Image Classifier](https://huggingface.co/spaces/Nav772/food-image-classifier)