Update app.py

app.py

@@ -1,4 +1,5 @@
 from fastai.vision.all import *
+import cv2
 import gradio as gr
 import glob
 
@@ -26,6 +27,7 @@ class Hook():
 def gradcam(img_create):
 
   pred,idx,probs=learn.predict(img_create)
+    
   x,= first(dls_augmented.test_dl([img_create]))
   hook_output = Hook()
   hook = learn.model[0].register_forward_hook(hook_output.hook_func)