diff --git a/miio/tests/test_airpurifier.py b/miio/tests/test_airpurifier.py
index 853061cbb..48069b110 100644
--- a/miio/tests/test_airpurifier.py
+++ b/miio/tests/test_airpurifier.py
@@ -174,8 +174,8 @@ def test_status_without_led_b_and_with_bright(self):
         self.device.state["bright"] = self.device.state["led_b"]
         del self.device.state["led_b"]
 
-        assert self.state().led_brightness == \
-               LedBrightness(self.device.start_state["led_b"])
+        assert self.state().led_brightness == LedBrightness(
+            self.device.start_state["led_b"])
 
     def test_status_without_led_brightness_at_all(self):
         self.device._reset_state()