Add get_labels function required by the model and update dependencies

app.py

@@ -2,6 +2,7 @@ import gradio as gr
 from fastai.vision.all import *
 from fastai.learner import load_learner
 from pathlib import Path
+import pandas as pd
 import os
 
 """
@@ -9,6 +10,18 @@ Warning Lamp Detector using FastAI
 This application allows users to upload images of warning lamps and get classification results.
 """
 
+def get_labels(fname):
+    """
+    Function required by the model to process labels
+    Args:
+        fname: Path to the image file
+    Returns:
+        list: List of active labels
+    """
+    # Since we're only doing inference, we can return an empty list
+    # This function is only needed because the model was saved with it
+    return []
+
 # Load the FastAI model
 try:
     model_path = Path("WarningLampClassifier.pkl")

requirements.txt

@@ -3,4 +3,5 @@ huggingface-hub>=0.20.3
 Pillow>=10.0.0  # Required for image processing
 fastai>=2.7.13  # Required for model inference
 torch>=2.2.0    # Required by FastAI
-torchvision>=0.17.0  # Required by FastAI
+torchvision>=0.17.0  # Required by FastAI
+pandas>=2.0.0  # Required for data processing