Linting fixes continued

esphome/components/ltr390/ltr390.cpp

@@ -200,7 +200,6 @@ void LTR390Component::update() {
     this->reading = true;
     this->read_mode(0);
   }
-
 }
 
 }  // namespace ltr390

esphome/components/ltr390/sensor.py

@@ -1,7 +1,7 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import i2c, sensor
-from esphome.const import CONF_ID, CONF_GAIN, CONF_LIGHT, CONF_RESOLUTION,
+from esphome.const import CONF_ID, CONF_GAIN, CONF_LIGHT, CONF_RESOLUTION, \
     UNIT_LUX, ICON_BRIGHTNESS_5
 
 DEPENDENCIES = ['i2c']