Fix with black 24.1.1. (#10014)

demo/dask/cpu_training.py

@@ -3,6 +3,7 @@ Example of training with Dask on CPU
 ====================================
 
 """
+
 from dask import array as da
 from dask.distributed import Client, LocalCluster
 

demo/dask/dask_callbacks.py

@@ -2,6 +2,7 @@
 Example of using callbacks with Dask
 ====================================
 """
+
 import numpy as np
 from dask.distributed import Client, LocalCluster
 from dask_ml.datasets import make_regression

demo/dask/gpu_training.py

@@ -2,6 +2,7 @@
 Example of training with Dask on GPU
 ====================================
 """
+
 import cupy as cp
 import dask_cudf
 from dask import array as da

demo/dask/sklearn_cpu_training.py

@@ -2,6 +2,7 @@
 Use scikit-learn regressor interface with CPU histogram tree method
 ===================================================================
 """
+
 from dask import array as da
 from dask.distributed import Client, LocalCluster