Fix imports 4

Author: nikita-savelyevv

optimum/intel/openvino/quantization/calibration_dataset_builder.py

@@ -21,7 +21,6 @@
 import torch
 import transformers
 from huggingface_hub.constants import HUGGINGFACE_HUB_CACHE
-from nncf.torch.initialization import PTInitializingDataLoader
 from PIL import Image
 from torch.utils.data import DataLoader, RandomSampler
 from tqdm import tqdm
@@ -50,6 +49,7 @@
 
 if is_nncf_available():
     import nncf
+    from nncf.torch.initialization import PTInitializingDataLoader
 
 logger = logging.getLogger(__name__)