Fixed broken validators

2 jobs for 13-api-docs in 2 minutes and 19 seconds
Status Job ID Name Coverage
  Test
failed #6065
test_api

00:02:19

passed #6066
test_web

00:01:04

 
Name Stage Failure
failed
test_api Test
  ^^^^
app/controllers/courses_controller.rb:6:1: C: Layout/TrailingWhitespace: Trailing whitespace detected.
app/controllers/course_sections_controller.rb:5:3: C: Layout/IndentationWidth: Use 2 (not 4) spaces for indentation.
short 'Working with course sections, e.g. CS 112 001'
^^^^
app/controllers/course_sections_controller.rb:7:1: C: Layout/TrailingWhitespace: Trailing whitespace detected.

68 files inspected, 9 offenses detected
ERROR: Job failed: exit code 1