diff --git a/tests/test_air_purifier_air_quality_statistics.py b/tests/test_air_purifier_air_quality_statistics.py
index bfa1cb1..6e8cace 100644
--- a/tests/test_air_purifier_air_quality_statistics.py
+++ b/tests/test_air_purifier_air_quality_statistics.py
@@ -110,9 +110,9 @@ def test_co2_matches_air_monitor_mapping():
     assert desc.unit == "ppm"
     assert desc.state_class == "measurement"
     assert desc.exists_fn is not None
-    assert desc.value_fn(
-        [{"x.com.samsung.da.type": "CO2", "x.com.samsung.da.value": ["498"]}]
-    ) == 498
+    assert (
+        desc.value_fn([{"x.com.samsung.da.type": "CO2", "x.com.samsung.da.value": ["498"]}]) == 498
+    )
 
 
 def test_every_air_quality_sensor_still_reads_a_plain_int():
diff --git a/tests/test_air_purifier_capabilities.py b/tests/test_air_purifier_capabilities.py
index 4ca6a54..95a3e9a 100644
--- a/tests/test_air_purifier_capabilities.py
+++ b/tests/test_air_purifier_capabilities.py
@@ -92,10 +92,7 @@ def test_co2_reads_when_the_items_list_includes_the_type():
     desc = next(e for e in air_purifier.AIR_QUALITY.entities if e.key == "co2")
     assert desc.exists_fn({"x.com.samsung.da.items": []}, {}) is False
     assert (
-        desc.exists_fn(
-            {"x.com.samsung.da.items": [{"x.com.samsung.da.type": "CO2"}]}, {}
-        )
-        is True
+        desc.exists_fn({"x.com.samsung.da.items": [{"x.com.samsung.da.type": "CO2"}]}, {}) is True
     )