Update app.py

app.py

@@ -1304,7 +1304,7 @@ elif bundle_by == "Single value":
 
     
     # Display buttons without immediate execution on click
-    col1, col2 = st.sidebar.columns([0.25, 0.50])
+    col1, col2 = st.sidebar.columns([0.25, 0.45])
     with col1:
         default_clicked = st.button("Default mapping")
     with col2: