修改

scripts/get_coco.sh

@@ -20,3 +20,4 @@ for f in $f1 $f2 $f3; do
   curl -L $url$f -o $f && unzip -q $f -d $d && rm $f & # download, unzip, remove in background
 done
 wait # finish background tasks
+

templates/about.html

@@ -5,6 +5,4 @@
     <h2>Instructions</h2>
     <p>Add instructions here</p>
 
-{% endblock %}
-
-
+{% endblock %}