Update app.py

app.py

@@ -1,5 +1,5 @@
-import gradio as gr
 import numpy as np
+import gradio as gr
 from tensorflow import keras
 
 model = keras.models.load_model('my_model')
@@ -8,5 +8,5 @@ def greet(img):
     img = np.expand_dims(img, axis=0)
     return np.argmax(model.predict(img)[0])
 
-iface = gr.Interface(fn=greet, inputs="sketchpad", outputs="text")
-iface.launch()
+demo = gr.Interface(fn=greet, inputs="sketchpad", outputs="text")
+demo.launch()