fixed some rubocop warnings

app/models/project_import_data.rb

@@ -12,7 +12,7 @@ require 'file_size_validator'
 class ProjectImportData < ActiveRecord::Base
   belongs_to :project
-  attr_encrypted :credentials, key: Gitlab::Application.secrets.db_key_base, marshal: true, encode: true, :mode => :per_attribute_iv_and_salt
+  attr_encrypted :credentials, key: Gitlab::Application.secrets.db_key_base, marshal: true, encode: true, mode: :per_attribute_iv_and_salt
   serialize :data, JSON

spec/lib/gitlab/github_import/project_creator_spec.rb

@@ -28,7 +28,7 @@ describe Gitlab::GithubImport::ProjectCreator, lib: true do
     expect(project.import_url).to eq("https://asdffg@gitlab.com/asd/vim.git")
     expect(project.safe_import_url).to eq("https://*****@gitlab.com/asd/vim.git")
-    expect(project.import_data.credentials).to eq(:user => "asdffg", :password => nil)
+    expect(project.import_data.credentials).to eq(user: "asdffg", password: nil)
     expect(project.visibility_level).to eq(Gitlab::VisibilityLevel::PRIVATE)
   end
 end

spec/lib/gitlab/github_import/wiki_formatter_spec.rb

@@ -2,7 +2,8 @@ require 'spec_helper'
 describe Gitlab::GithubImport::WikiFormatter, lib: true do
   let(:project) do
-    create(:project, namespace: create(:namespace, path: 'gitlabhq'),
+    create(:project,
+           namespace: create(:namespace, path: 'gitlabhq'),
            import_url: 'https://xxx@github.com/gitlabhq/sample.gitlabhq.git')
   end