     {:ok, info} = ExTwilio.Lookup.retrieve("12345678910", [Type: carrier])
   """
   def retrieve(phone_number, query \\ []) do
-    auth = [ basic_auth: {Config.account_sid, Config.auth_token} ]
+    auth = [basic_auth: {Config.account_sid, Config.auth_token}]
     query_string = "?" <> Url.to_query_string(query)
 
     "#{@base_url}#{phone_number}#{query_string}"

  @base_url "https://lookups.twilio.com/v1/PhoneNumbers/"

  defmodule PhoneNumber do
    defstruct url: nil,
              carrier: nil,
              national_format: nil,

defmodule ExTwilio.Lookup do
  @moduledoc """
    Represents the Lookup Api provided by Twilio

    - [Twilio docs](https://www.twilio.com/docs/api/lookups)
  """
