Update generate_item_image function to reduce inference steps and image dimensions

app.py

@@ -82,15 +82,15 @@ def preprocess_pil_image(image: Image.Image) -> Tuple[str, Image.Image]:
     processed_image.save(f"{TMP_DIR}/{trial_id}.png")
     return trial_id, processed_image
 
-@spaces.GPU(duration=120)
+@spaces.GPU()
 def generate_item_image(object_t2i_prompt):
     trial_id = ""
     for image in pipe.flux_pipe_call_that_returns_an_iterable_of_images(
         prompt=object_t2i_prompt,
         guidance_scale=3.5,
-        num_inference_steps=4,
-        width=1024,
-        height=1024,
+        num_inference_steps=1,
+        width=512,
+        height=512,
         generator=torch.Generator("cpu").manual_seed(0),
         output_type="pil",
     ):