Add GPU initialization function in app_v4.py to manage model and pipeline setup

app_v4.py

@@ -37,9 +37,12 @@ def get_model():
 
 # import subprocess
 # # subprocess.run("rm -rf /data-nvme/zerogpu-offload/*", env={}, shell=True)
-
-pipe = get_model()["pipeline"]
-model = get_model()["model"]
+@spaces.GPU()
+def init_space():
+    global pipe, model
+    pipe = get_model()["pipeline"]
+    model = get_model()["model"]
+    return pipe, model
 
 @spaces.GPU(duration=12)
 @torch.no_grad()