Fix with black 24.1.1. (#10014)

tests/ci_build/change_version.py

@@ -7,6 +7,7 @@ needed, run CMake .
     If this is a RC release, the version for JVM packages has the form
     <major>.<minor>.<patch>-RC1
 """
+
 import argparse
 import datetime
 import os

tests/ci_build/test_r_package.py

@@ -1,4 +1,5 @@
 """Utilities for packaging R code and running tests."""
+
 import argparse
 import os
 import shutil

tests/ci_build/test_utils.py

@@ -1,4 +1,5 @@
 """Utilities for the CI."""
+
 import os
 from datetime import datetime, timedelta
 from functools import wraps

tests/python-gpu/load_pickle.py

@@ -1,5 +1,6 @@
 """Loading a pickled model generated by test_pickling.py, only used by
 `test_gpu_with_dask.py`"""
+
 import json
 import os
 

tests/python-gpu/test_gpu_pickling.py

@@ -1,4 +1,5 @@
 """Test model IO with pickle."""
+
 import os
 import pickle
 import subprocess

tests/python/test_predict.py

@@ -1,4 +1,5 @@
 """Tests for running inplace prediction."""
+
 from concurrent.futures import ThreadPoolExecutor
 
 import numpy as np

tests/test_distributed/test_gpu_with_dask/test_gpu_with_dask.py

@@ -1,4 +1,5 @@
 """Copyright 2019-2023, XGBoost contributors"""
+
 import asyncio
 import json
 from collections import OrderedDict

tests/test_distributed/test_with_dask/test_with_dask.py

@@ -1,4 +1,5 @@
 """Copyright 2019-2022 XGBoost contributors"""
+
 import asyncio
 import json
 import os