add getters

app.py

@@ -5,6 +5,16 @@ from PIL import Image
 import io
 import base64
 
+def get_x(i):
+    # Convert NumPy array to a single-channel PIL image with inverted colors
+    return PILImageBW.create(all_noise[i])
+
+def get_y(i):
+    return all_thresh[i].astype(np.float32)
+
+def get_items(_):
+    return range(len(all_noise))
+
 # Load the model
 learn = load_learner('model.pkl')