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

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

tests/test_create.py

@@ -165,8 +165,9 @@ def test_MAE_save():
     assert mdata is not None
     assert len(mdata.mod.keys()) == 2
 
+
 def test_empty_mae():
     mae = MultiAssayExperiment(experiments={})
 
     assert mae is not None
-    assert isinstance(mae, MultiAssayExperiment)
+    assert isinstance(mae, MultiAssayExperiment)