diff --git a/esphome/components/atc_mithermometer/sensor.py b/esphome/components/atc_mithermometer/sensor.py
index 3e52137119..2d97ca532e 100644
--- a/esphome/components/atc_mithermometer/sensor.py
+++ b/esphome/components/atc_mithermometer/sensor.py
@@ -37,4 +37,5 @@ def to_code(config):
         sens = yield sensor.new_sensor(config[CONF_BATTERY_LEVEL])
         cg.add(var.set_battery_level(sens))
 
+
 CODEOWNERS = ['@ahpohl']
diff --git a/esphome/components/xiaomi_lywsd03mmc/sensor.py b/esphome/components/xiaomi_lywsd03mmc/sensor.py
index 8bb546e1bf..1666165fdd 100644
--- a/esphome/components/xiaomi_lywsd03mmc/sensor.py
+++ b/esphome/components/xiaomi_lywsd03mmc/sensor.py
@@ -41,4 +41,5 @@ def to_code(config):
         sens = yield sensor.new_sensor(config[CONF_BATTERY_LEVEL])
         cg.add(var.set_battery_level(sens))
 
+
 CODEOWNERS = ['@ahpohl']