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-rw-r--r--lib/tempfile.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/tempfile.rb b/lib/tempfile.rb
index f5dc801b21..8105b30f50 100644
--- a/lib/tempfile.rb
+++ b/lib/tempfile.rb
@@ -9,7 +9,7 @@ require 'tmpdir'
# A class for managing temporary files. This library is written to be
# thread safe.
-class Tempfile < SimpleDelegator
+class Tempfile < DelegateClass(File)
MAX_TRY = 10
@@cleanlist = []