Refactor app.py to remove unused code, improve code structure, and add prediction functionality

app.py

@@ -7,17 +7,17 @@ tile_upscaler_url = "gokaygokay/TileUpscalerV2"
 client_tile_upscaler = Client(tile_upscaler_url)
 
 def gradio_process_image(image, resolution, num_inference_steps, strength, hdr, guidance_scale, controlnet_strength, scheduler_name):
-  # result = client_tile_upscaler.predict(
-  #     param_0=handle_file(image),
-  #     param_1=resolution,
-  #     param_2=num_inference_steps,
-  #     param_3=strength,
-  #     param_4=hdr,
-  #     param_5=guidance_scale,
-  #     param_6=controlnet_strength,
-  #     param_7=scheduler_name,
-  #     api_name="/wrapper"
-  # )
+  result = client_tile_upscaler.predict(
+      param_0=handle_file(image),
+      param_1=resolution,
+      param_2=num_inference_steps,
+      param_3=strength,
+      param_4=hdr,
+      param_5=guidance_scale,
+      param_6=controlnet_strength,
+      param_7=scheduler_name,
+      api_name="/wrapper"
+  )
   # return result
   return image