Update app.py

app.py

@@ -78,8 +78,8 @@ elif input_option == "Upload CSV File":
 
 # Show dataset preview only after loading (for both Hugging Face and CSV)
 if st.session_state.df is not None:
-    st.subheader("📂 Dataset Preview")
-    st.dataframe(st.session_state.df.head())
+    with st.expander("📂 View Dataset Preview", expanded=False):
+        st.dataframe(st.session_state.df.head())
 
 
 # SQL-RAG Analysis