Update app.py

Added open image through pil

app.py

@@ -92,7 +92,11 @@ def style_transfer(cont_img,styl_img):
   #Start the timer
   start_time = time.time()
   
-
+  #Opening the image
+  cont_img= Image.open(cont_img)
+  styl_img=Image.open(styl_img)
+  
+  
   #transform the input image
   style_img = image_transform(styl_img)
   content_img =image_transform(cont_img)