minor

app.py

@@ -65,7 +65,7 @@ def display_image(url, scale=0.5, enable_flag = False):
     from urllib.request import urlopen
     from PIL import Image
 
-    enable_flag = display_img_flag # adhoc code, should send this variable properly
+    enable_flag = False if display_img_flag != 'Yes' else True # adhoc code, should send this variable properly
     
     if enable_flag: # default to False as imgur server seems to refuse our request and cause permanent error
         image = Image.open(urlopen(url))