[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

tests/test_boost.py

@@ -589,6 +589,7 @@ def test_155_boost_factory():
 def test_155_2():
     import boost_histogram as bh
     import dask_awkward as dak
+
     import dask_histogram as dh
 
     arr = dak.from_lists([list(range(10))] * 3)