Tidying.

lib/cli.js

@@ -15,12 +15,10 @@ Promise.longStackTraces()
 program
   .version(pkg.version)
 
-var notifier = updateNotifier({
-  packageName: pkg.name,
-  packageVersion: pkg.version
-})
-
-notifier.notify()
+updateNotifier({
+  packageName: pkg.name
+, packageVersion: pkg.version
+}).notify()
 
 program
   .command('provider [serial..]')