Update app.py

app.py

@@ -720,24 +720,24 @@ elif app_mode == "Data Cleaning":
 
 
 
-    # --------------------------
-    # Cleaned Data Preview
-    # --------------------------
-    if st.session_state.get("cleaned_data") is not None:
-        enhance_section_title("Cleaned Data Preview", "✨")
-        with st.expander("✨ Cleaned Data Preview", expanded=True):
-            st.dataframe(st.session_state.cleaned_data.head(), use_container_width=True)
-    
-    enhance_section_title("Export Cleaned Data", "💾")
-    with st.expander("💾 Export Cleaned Data", expanded=True):
-        st.write("You can download the cleaned data as a CSV file.")
-        csv = df.to_csv(index=False).encode('utf-8')
-        st.download_button(
-            label="📥 Download Cleaned Data as CSV",
-            data=csv,
-            file_name='cleaned_data.csv',
-            mime='text/csv',
-        )
+        # --------------------------
+        # Cleaned Data Preview
+        # --------------------------
+        if st.session_state.get("cleaned_data") is not None:
+            enhance_section_title("Cleaned Data Preview", "✨")
+            with st.expander("✨ Cleaned Data Preview", expanded=True):
+                st.dataframe(st.session_state.cleaned_data.head(), use_container_width=True)
+        
+        enhance_section_title("Export Cleaned Data", "💾")
+        with st.expander("💾 Export Cleaned Data", expanded=True):
+            st.write("You can download the cleaned data as a CSV file.")
+            csv = df.to_csv(index=False).encode('utf-8')
+            st.download_button(
+                label="📥 Download Cleaned Data as CSV",
+                data=csv,
+                file_name='cleaned_data.csv',
+                mime='text/csv',
+            )