Fixing rubocop errors

lib/cocoapods/command/repo/push.rb

@@ -180,7 +180,7 @@ module Pod
               message = "[Add] #{spec}"
             end
             FileUtils.mkdir_p(output_path)
-            
+
             if @use_json
               json_file_name = "#{spec.name}.podspec.json"
               json_file = File.join(output_path, json_file_name)
@@ -188,7 +188,7 @@ module Pod
             else
               FileUtils.cp(spec_file, output_path)
             end
-            
+
             Dir.chdir(repo_dir) do
               # only commit if modified
               if git!('status', '--porcelain').include?(spec.name)

spec/functional/command/repo/push_spec.rb

@@ -98,7 +98,7 @@ module Pod
       e.message.should.match(/repo.*not clean/)
       (@upstream + 'PushTest/1.4/PushTest.podspec').should.not.exist?
     end
-    
+
     it 'generate a message for commit' do
       cmd = command('repo', 'push', 'master')
       Dir.chdir(@upstream) { `git checkout -b tmp_for_push -q` }
@@ -117,7 +117,7 @@ module Pod
       Dir.chdir(@upstream) { `git checkout master -q` }
       (@upstream + 'PushTest/1.4/PushTest.podspec').read.should.include('PushTest')
     end
-    
+
     it 'successfully pushes converted JSON podspec' do
       cmd = command('repo', 'push', 'master', '--use-json')
       Dir.chdir(@upstream) { `git checkout -b tmp_for_push -q` }