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Diffstat (limited to 'activesupport/test/descendants_tracker_test_cases.rb')
| -rw-r--r-- | activesupport/test/descendants_tracker_test_cases.rb | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/activesupport/test/descendants_tracker_test_cases.rb b/activesupport/test/descendants_tracker_test_cases.rb index abae3f5880..1f8b4a8605 100644 --- a/activesupport/test/descendants_tracker_test_cases.rb +++ b/activesupport/test/descendants_tracker_test_cases.rb @@ -1,4 +1,5 @@ # frozen_string_literal: true + require "set" module DescendantsTrackerTestCases |