removed empty line in test_estimator

Author: Tabassum

tests/unit/sagemaker/huggingface/test_estimator.py

@@ -18,7 +18,9 @@
 
 import pytest
 from mock import MagicMock, Mock, patch
+
 from sagemaker.huggingface import HuggingFace
+
 from .huggingface_utils import get_full_gpu_image_uri, GPU_INSTANCE_TYPE, REGION