Update engine.py

engine.py

@@ -184,7 +184,7 @@ def controlnet_sd(image, controlnet_model, controlnet_module, threshold_a, thres
 
     return job["imageUrl"]
 
-def upscale(image, scale_by):
+def image_upscale(image, scale_by):
     image_url = prodia_client.upload(image)
     result = prodia_client.upscale_image({
         'imageUrl': image_url,