Update app.py

app.py

@@ -581,20 +581,9 @@ class GEOSEOApp:
 
 def main():
     """Main entry point"""
-    if "rag_chain" not in st.session_state or st.session_state.rag_chain is None:
-    # Sample base docs to initialize chain (you can also load a default corpus or skip this)
-        from langchain.docstore.document import Document
-        base_docs = [Document(page_content="This is a placeholder document for RAG initialization.")]
-    
-        vectorstore = create_vectorstore_from_text(base_docs, HuggingFaceEmbeddings(
-            model_name="sentence-transformers/all-MiniLM-L6-v2",
-            model_kwargs={"device": "cpu"},
-            cache_folder="./hf_cache",
-            ))
-        st.session_state.rag_chain = create_rag_chain(
-              ChatGroq(api_key=os.getenv("GROQ_API_KEY", "your-groq-api-key"), model_name="llama3-8b-8192", temperature=0.1),
-              vectorstore
-               )
+    if "rag_chain" not in st.session_state:
+    st.session_state.rag_chain = None
+
     app = GEOSEOApp()
     app.run()
 if __name__ == "__main__":