Update app.py

app.py

@@ -38,6 +38,14 @@ def get_latest_image(folder):
     image_files = [f for f in files if f.lower().endswith(('.png', '.jpg', '.jpeg'))]
     image_files.sort(key=lambda x: os.path.getmtime(os.path.join(folder, x)))
     latest_image = os.path.join(folder, image_files[-1]) if image_files else None
+    def is_file_ready(file_path):
+        initial_size = os.path.getsize(file_path)
+        time.sleep(0.5)
+        return initial_size == os.path.getsize(file_path)
+
+    if latest_image:
+        if is_file_ready(latest_image):
+            return latest_image
     return latest_image