Update app.py

app.py

@@ -345,7 +345,7 @@ with gr.Blocks(theme=theme, css=css) as app:
             with gr.Column():
                 def upscale_image(input_image, radio_input):
                     upscale_factor = radio_input
-                    output_image = cv2.resize(input_image, None, fx = upscale_factor, fy = upscale_factor, interpolation = cv2.INTER_CUBIC)
+                    output_image = cv2.resize(input_image, None, format="png", fx = upscale_factor, fy = upscale_factor, interpolation = cv2.INTER_CUBIC)
                     return output_image
                 
                 radio_input = gr.Radio(label="Upscale Levels", choices=[2, 4, 6, 8, 10], value=2)