keys don't need to be symbolized

lib/instapaper/api/oauth.rb

@@ -9,7 +9,7 @@ module Instapaper
       def access_token(username, password)
         response = perform_post_with_unparsed_response('/api/1/oauth/access_token', x_auth_username: username, x_auth_password: password, x_auth_mode: 'client_auth')
         parsed_response = QLineParser.parse(response)
-        fail Instapaper::Error::OAuthError, parsed_response[:error] if parsed_response.key?(:error)
+        fail Instapaper::Error::OAuthError, parsed_response['error'] if parsed_response.key?('error')
         Instapaper::Credentials.new(parsed_response)
       end
     end

lib/instapaper/http/qline_parser.rb

@@ -1,13 +1,9 @@
-require 'instapaper/utils'
-
 module Instapaper
   class QLineParser
-    extend Instapaper::Utils
-
     def self.parse(response)
       values = response.split('&').map { |part| part.split('=') }.flatten
       values.unshift('error') if values.length == 1
-      symbolize_keys!(Hash[*values])
+      Hash[*values]
     end
   end
 end

lib/instapaper/http/request.rb

@@ -5,12 +5,10 @@ require 'net/https'
 require 'openssl'
 require 'instapaper/error'
 require 'instapaper/http/headers'
-require 'instapaper/utils'
 
 module Instapaper
   module HTTP
     class Request
-      include Instapaper::Utils
       BASE_URL = 'https://www.instapaper.com'
       attr_accessor :client, :headers, :multipart, :options, :path,
                     :rate_limit, :request_method, :uri
@@ -69,16 +67,16 @@ module Instapaper
       def error(response)
         return unless response.is_a?(Array)
         return unless response.size > 0
-        return unless response.first[:type] == 'error'
+        return unless response.first['type'] == 'error'
 
-        Instapaper::Error.from_response(response.first[:error_code], @path)
+        Instapaper::Error.from_response(response.first['error_code'], @path)
       end
 
       def parsed_response(response)
         @parsed_response ||= begin
-          symbolize_keys!(response.parse)
+          response.parse
         rescue
-          response.to_s
+          response.body
         end
       end
     end

lib/instapaper/utils.rb

@@ -1,18 +0,0 @@
-module Instapaper
-  module Utils
-    private
-
-    def symbolize_keys!(object)
-      if object.is_a?(Array)
-        object.each_with_index do |val, index|
-          object[index] = symbolize_keys!(val)
-        end
-      elsif object.is_a?(Hash)
-        object.keys.each do |key|
-          object[key.to_sym] = symbolize_keys!(object.delete(key))
-        end
-      end
-      object
-    end
-  end
-end