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

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

Author: pre-commit-ci[bot]

xarray/backends/chunks.py

@@ -173,7 +173,6 @@ def _build_rectilinear_grid_chunks(
 
     result = []
     for chunk_start, chunk_end in itertools.pairwise(boundaries):
-
         if chunk_end <= region_start or chunk_start >= region_stop:
             continue