Update app.py

app.py

@@ -500,7 +500,7 @@ def create_streamlit_interface(initial_username):
         glob.glob("./*.mp4")
     )
     if media_files:
-        media_cols = st.slider("Gallery Rally", min_value=1, max_value=5, value=3)
+        media_cols = st.slider("Gallery Rally", min_value=1, max_value=5, value=1)
         cols = st.columns(media_cols)
         for idx, media_file in enumerate(media_files):
             with cols[idx % media_cols]: