Update model_pipelines.py

model_pipelines.py

@@ -1,9 +1,10 @@
 import torch
 from diffusers import StableDiffusionPipeline
 
+# 自动判断是否有 CUDA，否则用 CPU
 device = "cuda" if torch.cuda.is_available() else "cpu"
 
-def load_pipelines(device="cuda"):
+def load_pipelines():
     model_ids = {
         "sd_v1_5": "runwayml/stable-diffusion-v1-5",
         "openjourney_v4": "prompthero/openjourney-v4",
@@ -11,7 +12,10 @@ def load_pipelines(device="cuda"):
     }
     pipes = {}
     for name, mid in model_ids.items():
-        pipe = StableDiffusionPipeline.from_pretrained(mid, torch_dtype=torch.float16)
+        pipe = StableDiffusionPipeline.from_pretrained(
+            mid,
+            torch_dtype=torch.float16 if device == "cuda" else torch.float32
+        )
         pipe = pipe.to(device)
         pipe.enable_attention_slicing()
         pipes[name] = pipe