Update app.py

app.py

@@ -15,7 +15,7 @@ def caption(img,min_len,max_len):
     return processor.decode(out[0],skip_special_tokens=True)
 def greet(img, min_len,max_len):
     start = time.time()
-    result=caption(img,min len,max len)
+    result=caption(img,min_len,max_len)
     end =time.time()
     total_time =str(end - start)
     result=result+'n'+total_time +'seconds'