* add_devices -> add_entities * Lint * PyLint * Revert external method in scsgate
* Add Discogs Sensor platform * Add discogs module to requirements_all * Fix wrong style var name * PR Feedback (scan interval, mod. docstring) * Added sensor.discogs to coveragerc * Use SERVER_SOFTWARE helper for UA-String * Don't setup platform if token is invalid * Fix trailing whitespace for Hound CI * Move client setup to setup()