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

pre-commit-ci[bot] · pre-commit-ci[bot] · commit 23ba430a71c2 · 2022-01-01T14:03:33.000Z
for more information, see https://pre-commit.ci
diff --git a/xarray/tests/test_plot.py b/xarray/tests/test_plot.py
@@ -5,7 +5,6 @@
 from typing import Any, Dict, Union
 
 import matplotlib
-
 import numpy as np
 import pandas as pd
 import pytest
