diff --git a/TPTBox/core/bids_files.py b/TPTBox/core/bids_files.py
index c3b1423..44b536a 100755
--- a/TPTBox/core/bids_files.py
+++ b/TPTBox/core/bids_files.py
@@ -1987,6 +1987,7 @@ def loop_dict(
             key_transform (typing.Callable[[BIDS_FILE], str | None]): provide alternative dict name for certain fils, if default should be used return None
             key_addendum (list[str] | None, optional): Extra info-key names appended to each family's dict keys to
                 disambiguate otherwise-identical entries. Defaults to None.
+
         Returns:
             typing.Iterator[typing.Dict[str, BIDS_FILE | list[BIDS_FILE]]]
         """
diff --git a/TPTBox/core/internal/train_nnUnet/_prep_ds.py b/TPTBox/core/internal/train_nnUnet/_prep_ds.py
index 64f5e51..637a692 100644
--- a/TPTBox/core/internal/train_nnUnet/_prep_ds.py
+++ b/TPTBox/core/internal/train_nnUnet/_prep_ds.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import hashlib
 import json
 import random
diff --git a/TPTBox/core/internal/train_nnUnet/fastProcessor.py b/TPTBox/core/internal/train_nnUnet/fastProcessor.py
index 7417593..0e08ca1 100644
--- a/TPTBox/core/internal/train_nnUnet/fastProcessor.py
+++ b/TPTBox/core/internal/train_nnUnet/fastProcessor.py
@@ -12,6 +12,8 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
+from __future__ import annotations
+
 import math
 from copy import deepcopy
 from pathlib import Path
diff --git a/TPTBox/mesh3D/html_preview.py b/TPTBox/mesh3D/html_preview.py
index 0012334..5ccd416 100644
--- a/TPTBox/mesh3D/html_preview.py
+++ b/TPTBox/mesh3D/html_preview.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from dataclasses import dataclass
 from pathlib import Path
 from typing import Literal
diff --git a/TPTBox/segmentation/VibeSeg/vibeseg.py b/TPTBox/segmentation/VibeSeg/vibeseg.py
index 49222ff..4268ed7 100644
--- a/TPTBox/segmentation/VibeSeg/vibeseg.py
+++ b/TPTBox/segmentation/VibeSeg/vibeseg.py
@@ -127,7 +127,7 @@ def run_vibeseg(
                 args[k] = v
     return run_inference_on_file(
         dataset_id,
-        [to_nii(i)] if not isinstance(i, list | tuple) else [to_nii(j) for j in i],
+        [to_nii(i)] if not isinstance(i, (list, tuple)) else [to_nii(j) for j in i],
         out_file=out_seg,
         override=override,
         gpu=gpu,
diff --git a/TPTBox/segmentation/_deface.py b/TPTBox/segmentation/_deface.py
index 84d507f..7e3f959 100644
--- a/TPTBox/segmentation/_deface.py
+++ b/TPTBox/segmentation/_deface.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from pathlib import Path
 
 import numpy as np