fixes

app.py

@@ -91,7 +91,7 @@ def predict(img) -> Tuple[Dict, float]:
     return pred_labels_and_probs, pred_time
 
 
-example_list = [[f"examples/example{i+1}"] for i in range(3)]
+example_list = [[f"examples/example{i+1}.jpg"] for i in range(3)]
 # Create title, description and article strings
 title = "ChestXray Classification"
 description = "An Alexnet computer vision model to classify images of Xray Chest images as Normal or Pneumonia."