Add predict func and inference chain

app.py

@@ -1,7 +1,17 @@
 import gradio as gr
 
-def greet(name):
-    return "Hello " + name + "!!"
+from fastai.learner import load_learner
+from fastai.vision.all import PILImage
 
-iface = gr.Interface(fn=greet, inputs="text", outputs="text")
+
+learn = load_learner('model/export.pkl')
+
+labels = learn.dls.vocab
+
+def predict(img):
+    img = PILImage.create(img)
+    pred,pred_idx,probs = learn.predict(img)
+    return {labels[i]: float(probs[i]) for i in range(len(labels))}
+
+iface = gr.Interface(fn=predict, inputs=gr.Image(shape=(512, 512)), outputs=gr.Label(num_top_classes=3)).launch(share=True)
 iface.launch()