Update templates/index.html

templates/index.html

@@ -24,6 +24,9 @@
         <img src="{{ url_for('result_file', filename=result_image) }}" width="480">
     {% endif %}
 
+    <pre>frame_images: {{ frame_images }}</pre>
+
+
     {% if frame_images %}
         <h2>Key Frames:</h2>
         {% for frame in frame_images %}