diff --git a/tests/python_package_test/test_engine.py b/tests/python_package_test/test_engine.py
index 9ca102c7cb01..60534bf061bc 100644
--- a/tests/python_package_test/test_engine.py
+++ b/tests/python_package_test/test_engine.py
@@ -16,10 +16,10 @@
 import pytest
 from scipy.sparse import csr_matrix, isspmatrix_csc, isspmatrix_csr
 from sklearn.datasets import (
-    load_svmlight_file, 
-    make_blobs, 
-    make_classification, 
-    make_multilabel_classification, 
+    load_svmlight_file,
+    make_blobs,
+    make_classification,
+    make_multilabel_classification,
     make_regression,
 )
 from sklearn.metrics import average_precision_score, log_loss, mean_absolute_error, mean_squared_error, roc_auc_score