code formatting to fix lint

Author: jvmvik

demo/demo.rb

@@ -5,12 +5,13 @@
 # Ensure that the `SERPAPI_KEY` environment variable is set before running this script.
 
 raise 'SERPAPI_KEY environment variable must be set' if ENV['SERPAPI_KEY'].nil?
+
 require 'pp'
 require 'serpapi'
 
 default_params = {
   engine: 'google',
-  api_key: ENV['SERPAPI_KEY']
+  api_key: ENV.fetch('SERPAPI_KEY', nil)
 }
 client = SerpApi::Client.new(default_params)
 params = {

demo/demo_suggest.rb

@@ -1,4 +1,3 @@
-
 # This script demonstrates how to use the SerpApi Ruby client to fetch Google Autocomplete suggestions.
 # It requires the `serpapi` gem and an environment variable `SERPAPI_KEY` containing your SerpApi API key.
 #
@@ -23,7 +22,7 @@
   client: 'safari',
   hl: 'en',
   gl: 'us',
-  api_key: ENV['SERPAPI_KEY'],
+  api_key: ENV.fetch('SERPAPI_KEY', nil),
   persistent: false,
   timeout: 2
 }

demo/demo_thread_pool.rb

@@ -61,13 +61,13 @@
 runtime = Benchmark.measure do
   # create a thread pool of 4 threads with a persistent connection to serpapi.com
   pool = ConnectionPool.new(size: n, timeout: 5) do
-    SerpApi::Client.new(engine: 'google', api_key: ENV['SERPAPI_KEY'], timeout: 30, persistent: true)
+    SerpApi::Client.new(engine: 'google', api_key: ENV.fetch('SERPAPI_KEY', nil), timeout: 30, persistent: true)
   end
 
   # run user thread to search for your favorites coffee type
   threads = %w[latte espresso cappuccino americano mocha macchiato frappuccino cold_brew].map do |query|
     Thread.new do
-      pool.with do|socket| 
+      pool.with do |socket|
         results = socket.search({ q: query })
         puts "first result title: #{results[:organic_results].first[:title]} for query: #{results[:search_parameters][:q]}"
       end