* Default --data `imagenette160` training (fastest) Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com> * Update train.py Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com> * Update train.py Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com> * Update train.py Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com> Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>