make accelerate evaliable.

Signed-off-by: wxywb <xy.wang@zilliz.com>

clip.py

@@ -26,7 +26,11 @@ from towhee.types.arg import arg, to_image_color
 from towhee import register
 from transformers import CLIPTokenizer, CLIPTextModel ,CLIPModel,CLIPProcessor
 from transformers import logging as t_logging
-# from towhee.dc2 import accelerate
+try:
+    from towhee import accelerate
+except:
+    def accelerate(func):
+        return func
 
 log = logging.getLogger('run_op')
 warnings.filterwarnings('ignore')
@@ -70,7 +74,7 @@ class CLIPModelText(nn.Module):
         text_embeds = self.backbone.get_text_features(input_ids, attention_mask)
         return text_embeds
     
-# @accelerate
+@accelerate
 class Model:
     def __init__(self, model_name, modality, checkpoint_path, device):
         self.model = create_model(model_name, modality, checkpoint_path, device)