diff --git a/__init__.py b/__init__.py
index 8516979..9379ed6 100644
--- a/__init__.py
+++ b/__init__.py
@@ -12,10 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os
+# import os
 
-# For requirements.
-try:
-    import timm
-except ModuleNotFoundError:
-    os.system('pip install timm')
+# # For requirements.
+# try:
+#     import timm
+# except ModuleNotFoundError:
+#     os.system('pip install timm')
diff --git a/vit_image_embedding.py b/vit_image_embedding.py
index a416bba..ed88e2b 100644
--- a/vit_image_embedding.py
+++ b/vit_image_embedding.py
@@ -18,8 +18,6 @@ from typing import NamedTuple
 from pathlib import Path
 from PIL import Image
 import torch
-from timm.data import resolve_data_config
-from timm.data.transforms_factory import create_transform
 import numpy
 
 from towhee.operator import Operator
@@ -41,6 +39,8 @@ class VitImageEmbedding(Operator):
         sys.path.append(str(Path(__file__).parent))
         if framework == 'pytorch':
             from pytorch.model import Model
+            from timm.data import resolve_data_config
+            from timm.data.transforms_factory import create_transform
         self.model = Model(model_name, weights_path)
         config = resolve_data_config({}, model=self.model._model)
         self.tfms = create_transform(**config)