Fixed rubocop

lib/grape.rb

@@ -34,6 +34,7 @@
 require 'mustermann/grape'
 require 'pathname'
 require 'rack'
+require 'rack/auth/basic'
 require 'rack/accept/header'
 require 'rack/accept/media_type'
 require 'rack/builder'

lib/grape/middleware/auth/strategies.rb

@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require 'rack/auth/basic'
-
 module Grape
   module Middleware
     module Auth

spec/grape/middleware/error_spec.rb

@@ -82,14 +82,4 @@ def app
       expect(last_response.body).to eq({ code: 200, static: 'static text' }.to_json)
     end
   end
-
-  context 'NotImplementedError' do
-    let(:api) do
-      Class.new(Grape::Api) do
-        get :test do
-          raise NotImplementedError
-        end
-      end
-    end
-  end
 end