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-rw-r--r--lib/rbconfig/obsolete.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rbconfig/obsolete.rb b/lib/rbconfig/obsolete.rb
index 7025fb43fb..52bc5c20d4 100644
--- a/lib/rbconfig/obsolete.rb
+++ b/lib/rbconfig/obsolete.rb
@@ -4,7 +4,7 @@ module ::RbConfig
class << Obsolete
def _warn_
loc, = caller_locations(2, 1)
- loc = "#{loc.to_s}: " if loc
+ loc = "#{loc}: " if loc
warn "#{loc}Use RbConfig instead of obsolete and deprecated Config."
self
end