Fixed errors in app.py

app.py

@@ -11,9 +11,9 @@ def is_cat(x): return x[0].isupper()
 
 dog = PILImage.create('dog.jpg')
 dog.thumbnail((192,192))
-cat = PILImage.open('cat.jpg')
+cat = PILImage.create('cat.jpg')
 cat.thumbnail((192,192))
-dunno = PILImage.open('dunno.jpg')
+dunno = PILImage.create('dunno.jpg')
 dunno.thumbnail((192))
 
 #Get .pkl