fix: ImportError: cannot import name 'SimpleDirectoryReader' from 'llama_index' (unknown location)

requirements.txt

@@ -3,7 +3,7 @@ gradio[mcp]
 gradio
 
 # core Llama-Index + HF model support
-llama-index
+llama-index>=0.9.0  # Specify minimum version
 openai
 transformers
 torch

src/app.py

@@ -1,6 +1,7 @@
 import os
 import gradio as gr
-from llama_index import SimpleDirectoryReader, GPTVectorStoreIndex
+from llama_index.readers import SimpleDirectoryReader  # Updated import
+from llama_index.core import VectorStoreIndex  # Updated import
 from llama_index import HuggingFaceLLMPredictor
 from src.parse_tabular import symptom_index