Update app.py

app.py

@@ -1,6 +1,6 @@
 import gradio as gr
 from PIL import Image
-import io
+import tempfile
 
 def upscale(image, scale):
     width, height = image.size
@@ -8,11 +8,10 @@ def upscale(image, scale):
     new_height = int(height * scale)
     upscaled = image.resize((new_width, new_height), Image.BICUBIC)
 
-    # Save as JPG in memory
-    buffer = io.BytesIO()
-    upscaled.convert("RGB").save(buffer, format="JPEG", quality=95)
-    buffer.seek(0)
-    return buffer
+    # Save to a temp JPG file
+    temp_file = tempfile.NamedTemporaryFile(suffix=".jpg", delete=False)
+    upscaled.convert("RGB").save(temp_file.name, format="JPEG", quality=95)
+    return temp_file.name
 
 title = "Simple Image Upscaler (JPG Download)"
 description = "Upload an image and choose scale (2x, 4x, 8x). The image will be resized and downloaded as JPG."