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

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src/compaction/landlab.py

@@ -1,4 +1,5 @@
 """Compact layers of sediment due to overlying load."""
+
 from landlab import Component  # type: ignore
 from scipy.constants import g  # type: ignore
 

tests/test_compaction.py

@@ -1,4 +1,5 @@
 """Unit tests for compaction."""
+
 from io import StringIO
 
 import numpy as np  # type: ignore

tests/test_component.py

@@ -1,4 +1,5 @@
 """Unit tests for compaction landlab component."""
+
 import numpy as np  # type: ignore
 from landlab import RasterModelGrid  # type: ignore
 from numpy.testing import assert_array_almost_equal  # type: ignore