examples/query_units.rb in owmo-2.0.1 vs examples/query_units.rb in owmo-2.0.3

@@ -1,14 +1,16 @@
+# frozen_string_literal: true
+
 require 'owmo'
 
-api_key = ""
+api_key = ''
 
 weather = OWMO::Weather.new api_key
 
 # Kelvin
-puts weather.get :current, city_name: "London,UK"
+puts weather.get :current, city_name: 'London,UK'
 
 # Imperial
-puts weather.get :current, city_name: "London,UK", units: :imperial
+puts weather.get :current, city_name: 'London,UK', units: :imperial
 
 # Metric
-puts weather.get :current, city_name: "London,UK", units: :metric
+puts weather.get :current, city_name: 'London,UK', units: :metric