Narrow scope of various pylint inline disables (#15364)

* Narrow scope of various pylint inline disables

* Whitespace tweaks

homeassistant/components/sensor/bme280.py

@@ -79,12 +79,11 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
 })
 
 
-# pylint: disable=import-error
 async def async_setup_platform(hass, config, async_add_entities,
                                discovery_info=None):
     """Set up the BME280 sensor."""
-    import smbus
-    from i2csense.bme280 import BME280
+    import smbus  # pylint: disable=import-error
+    from i2csense.bme280 import BME280  # pylint: disable=import-error
 
     SENSOR_TYPES[SENSOR_TEMP][1] = hass.config.units.temperature_unit
     name = config.get(CONF_NAME)