Fix: model dependency + default sample

app.py

@@ -26,7 +26,6 @@ sample_images = {
     "Sample 1": os.path.join(os.getcwd(), "data/xai/sample1.jpeg"),
     "Sample 2":  os.path.join(os.getcwd(), "data/xai/sample2.jpg"),
 }
-default_sample_image = load_sample_image("Sample 1")
 
 def load_sample_image(sample_name):
     if sample_name in sample_images:
@@ -36,9 +35,11 @@ def load_sample_image(sample_name):
             print(f"Error loading image: {e}")
             return None
     return None
+   
+default_sample_image = load_sample_image("Sample 1")
 
 with gr.Blocks() as interface:
-    gr.Markdown("# Visualizing Key Features with Explainable AI")
+    gr.Markdown("# XAI: Upload an image to visualize object detection of your models..")
     gr.Markdown("Upload an image or select a sample image to visualize object detection.")
 
     with gr.Row():