Update app.py

Updated to newer gradio

app.py

@@ -20,15 +20,11 @@ title = "Pet Breed Classifier"
 description = "A pet breed classifier trained on the Oxford Pets dataset using fastai. Created as a demo from the course by Jeremy Howard."
 article="<p style='text-align: center'><a href='https://course.fast.ai/' target='_blank'>Go to course</a></p>"
 examples = ['siamese.jpg','pug.jpg']
-interpretation='default'
-enable_queue=True
 
 gr.Interface(fn=predict,
-             inputs=gr.Image(shape=(512, 512)),
+             inputs=gr.Image(),
              outputs=gr.Label(num_top_classes=3),
              title=title,
              description=description,
              article=article,
-             examples=examples,
-             interpretation=interpretation,
-             enable_queue=enable_queue).launch()
+             examples=examples).launch()