Update app.py

app.py

@@ -18,13 +18,16 @@ def save_image(image):
 
     return filename
 
+def list_png_files():
+    return [f for f in os.listdir('.') if f.endswith('.png')]
+
 def main():
     st.title("Streamlit Camera Input Live Demo")
     st.header("Try holding a QR code in front of your webcam")
 
     # Sidebar for captured images
     st.sidebar.markdown("## Captured Images")
-    captured_images = []
+    captured_images = list_png_files()
 
     # Initialize session state
     if 'last_captured' not in st.session_state:
@@ -44,7 +47,7 @@ def main():
 
             # Update sidebar
             for img_file in captured_images:
-                st.sidebar.markdown(f"- [{img_file}](./{img_file})")
+                st.sidebar.markdown(f"- [{img_file}](your_base_url/{img_file})")
 
             # QR Code Detection
             detector = cv2.QRCodeDetector()