fixed vocab attribute issue

app.py

@@ -4,9 +4,11 @@ from huggingface_hub import from_pretrained_fastai
 import pathlib
 
 # loading the model
+windows_backup = pathlib.WindowsPath
 pathlib.WindowsPath = pathlib.PosixPath
 learn = from_pretrained_fastai("pka007/flowerclassifier_model")
-labels = learn.dls.vocab
+pathlib.WindowsPath = windows_backup
+labels = ['Jasmine', 'Marigold', 'Rose', 'sunflower', 'tulip']
 def predict(img):
     img = PILImage.create(img)
     pred,pred_idx,probs = learn.predict(img)