isort.

Author: trivialfis

tests/python/test_ranking.py

@@ -4,12 +4,12 @@
 
 import numpy as np
 import pytest
-from scipy.sparse import csr_matrix
 from hypothesis import given, note, settings
+from scipy.sparse import csr_matrix
+from xgboost.testing.params import lambdarank_parameter_strategy
 
 import xgboost
 from xgboost import testing as tm
-from xgboost.testing.params import lambdarank_parameter_strategy
 
 
 def test_ranking_with_unweighted_data():