update intro

app.py

@@ -43,6 +43,7 @@ def preprocess_image(img_array):
 # Main inference function
 def inference(img_path):
     img = Image.open(img_path)
+    img = np.array(img)
     img = preprocess_image(img)
     img = np.expand_dims(img, 0)
     preds = model.predict(img)
@@ -64,7 +65,7 @@ demo = gr.Interface(
     article=article,
     inputs=gr.inputs.Image(type="filepath", label="Input"),
     outputs="label",
-    examples=examples
+    examples=examples,
 )