Fix this

SDXLImageGenerator.py

@@ -1,7 +1,7 @@
 import torch
 from diffusers import DiffusionPipeline
 import time
-from PIL import Image  # Import added for clarity
+from PIL import Image
 from io import BytesIO
 
 class SDXLImageGenerator:
@@ -34,8 +34,9 @@ class SDXLImageGenerator:
         for image in images:
             buffer = BytesIO()
             image.save(buffer, format="PNG")
+            buffer.seek(0)  # Ensure the buffer is at the start for reading
             png_images.append(buffer.getvalue())  # PNG data in bytes
 
         end_time = time.time()
         print("Total Time SDXL: %4f seconds" % (end_time - start_time))
-        return png_images
+        return png_images  # List of PNG byte data