URI is required on newer version

Author: noraj

module-0x4-or-web-kung-fu/web-services-and-apis/interacting-with-apis/README.md

@@ -15,6 +15,6 @@ json_res = JSON.parse(Net::HTTP.get(URI.parse "http://api.stackexchange.com/2.2/
 ```ruby
 require 'open-uri'
 require 'json'
-JSON.parse(open('https://api.ipify.org?format=json').read)["ip"]
+JSON.parse(URI.open('https://api.ipify.org?format=json').read)["ip"]
 ```