Revert "move spaces back into the app"

This reverts commit 021e3505f6e3425b5bc4316b17b0a8c3b015cb05.

app.py

@@ -31,9 +31,9 @@
 
 import os
 os.system("pip freeze")
+import spaces
 
 import gradio as gr
-import spaces
 import torch as torch
 from diffusers import MarigoldDepthPipeline, DDIMScheduler
 from gradio_dualvision import DualVisionApp
@@ -127,7 +127,6 @@ class MarigoldDepthApp(DualVisionApp):
             "processing_res": processing_res,
         }
 
-    @spaces.GPU()
     def process(self, image_in: Image.Image, **kwargs):
         ensemble_size = kwargs.get("ensemble_size", self.DEFAULT_ENSEMBLE_SIZE)
         denoise_steps = kwargs.get("denoise_steps", self.DEFAULT_DENOISE_STEPS)
@@ -168,6 +167,7 @@ with MarigoldDepthApp(
     examples_path="files",
     examples_per_page=5,
     squeeze_canvas=True,
+    spaces_zero_gpu_enabled=True,
 ) as demo:
     demo.queue(
         api_open=False,