cannot pickle 'generator' object

app.py

@@ -12,7 +12,9 @@ import spaces
 def run_on_gpu(input_shape, text, seed, guidance_scale):
     from model import Model
     model = Model()
-    return model.run(shape_path=input_shape, text=text, seed=seed, guidance_scale=guidance_scale)
+    res_generator = model.run(shape_path=input_shape, text=text, seed=seed, guidance_scale=guidance_scale)
+    return list(res_generator)
+
 
 
 def main():