From c9d9bd7227b687f2162bd485b891aa2c2499adf0 Mon Sep 17 00:00:00 2001
From: Jeremy Kemper <jeremy@bitsweat.net>
Date: Sun, 26 Apr 2009 16:04:11 -0700
Subject: Check for to_str rather than String

---
 actionpack/lib/action_dispatch/http/response.rb | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/actionpack/lib/action_dispatch/http/response.rb b/actionpack/lib/action_dispatch/http/response.rb
index 77c2dd0d7a..c2add1272e 100644
--- a/actionpack/lib/action_dispatch/http/response.rb
+++ b/actionpack/lib/action_dispatch/http/response.rb
@@ -98,7 +98,7 @@ module ActionDispatch # :nodoc:
 
     def body=(body)
       @body =
-        if body.is_a?(String)
+        if body.respond_to?(:to_str)
           [body]
         else
           body
@@ -215,8 +215,6 @@ module ActionDispatch # :nodoc:
       if @body.respond_to?(:call)
         @writer = lambda { |x| callback.call(x) }
         @body.call(self, self)
-      elsif @body.is_a?(String)
-        callback.call(@body)
       else
         @body.each(&callback)
       end
-- 
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