added thumbnail resizing

app.py

@@ -47,7 +47,7 @@ def find_topk(text):
     print('top_k_urls', top_k_urls)
     print(datetime.now().strftime("%H:%M:%S"))
 
-    images = [url2img(url) for url in top_k_urls]
+    images = [url2img(url, resize = True) for url in top_k_urls]
 
     print('got PIL images')
     print(datetime.now().strftime("%H:%M:%S"))