bytes issue

app.py

@@ -277,7 +277,7 @@ async def make_versions(input_image_url: str, num_images: int):
 
 def get_file_extension(filedata):
     try:
-        img = Image.open(io.BytesIO(filedata))
+        img = Image.open(BytesIO(filedata))
         return img.format.lower()
     except Exception as e:
         print(f"Error getting file extension: {e}")