Linting fixes

schedules_api/app/controllers/course_sections_controller.rb

@@ -2,9 +2,9 @@
 # This is a nested controller -- see +config/routes.rb+ for details
 class CourseSectionsController < ApplicationController
   resource_description do
-      short 'Working with course sections, e.g. CS 112 001'
+    short 'Working with course sections, e.g. CS 112 001'
   end
-  
+
   api :GET, '/courses_sections', 'Get a list of course sections'
   param :course_id, Integer, desc: "Only get the course sections belonging to the course with this ID"
   param :crn, String, desc: "Get the course section with this CRN"

schedules_api/app/controllers/courses_controller.rb

 # Contains all actions having to do with Courses.
 class CoursesController < ApplicationController
   resource_description do
-      short 'Working with courses, e.g. CS 112'
+    short 'Working with courses, e.g. CS 112'
   end
-  
+
   api :GET, '/courses', "Get a list of courses."
   param :subject, String, desc: 'Course subject, e.g. "CS" or "ACCT"'
   param :course_number, Integer, desc: 'Course number, e.g. "112"'

schedules_api/config/initializers/apipie.rb

@@ -12,6 +12,6 @@ Apipie.configure do |config|
   # Fixes annoying "can't find resource" bug, see https://github.com/Apipie/apipie-rails/issues/549
   config.translate = false
   config.default_locale = nil
-  
+
   config.app_info["1.0"] = "The SRCT Schedules API provides data about courses, sections, and professors offered at GMU."
 end

schedules_api/config/initializers/apipie_validators.rb

@@ -9,10 +9,8 @@ class IntegerValidator < Apipie::Validator::BaseValidator
     !!(value.to_s =~ /^[-+]?[0-9]+$/)
   end
 
-  def self.build(param_description, argument, options, block)
-    if argument == Integer
-      self.new(param_description, argument)
-    end
+  def self.build(param_description, argument, _options, _block)
+    new(param_description, argument) if argument == Integer
   end
 
   def description