rubocop fixes

Gemfile.lock

@@ -2,9 +2,11 @@ PATH
   remote: .
   specs:
     github_changelog_generator (1.10.3)
+      bundler (~> 1.7)
       colorize (~> 0.7)
       github_api (~> 0.12)
       overcommit (~> 0.31)
+      rake (~> 10.0)
 
 GEM
   remote: https://rubygems.org/
@@ -94,11 +96,9 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler (~> 1.7)
   codeclimate-test-reporter (~> 0.4)
   coveralls (~> 0.8)
   github_changelog_generator!
-  rake (~> 10.0)
   rspec (~> 3.2)
   rubocop (~> 0.31)
   simplecov (~> 0.10)

spec/unit/parse_file_spec.rb

@@ -38,16 +38,15 @@ describe GitHubChangelogGenerator::ParserFile do
       end
 
       context "turns exclude-labels into an Array", bug: '#327' do
-        let(:options) {
+        let(:options) do
           {
-            params_file: 'spec/files/github_changelog_params_327'
-          }
+            params_file: "spec/files/github_changelog_params_327"
           }
+        end
         it "reads exclude_labels into an Array" do
           expect { parse.parse! }.to change { options[:exclude_labels] }
             .from(nil)
             .to(["73a91042-da6f-11e5-9335-1040f38d7f90", "7adf83b4-da6f-11e5-ae18-1040f38d7f90"])
-
         end
       end
     end