Ensure result from apply block is utf8

diff --git a/tornado/template.py b/tornado/template.py
index 35bd1c23f4dc5508dda5833a46c9936dc4f9e918..8c045c561a0d9681a8dd244272afe01f17a6dd27 100644 (file)
--- a/tornado/template.py
+++ b/tornado/template.py
@@ -479,7 +479,7 @@ class _ApplyBlock(_Node):
             writer.write_line("_append = _buffer.append", self.line)
             self.body.generate(writer)
             writer.write_line("return _utf8('').join(_buffer)", self.line)
-        writer.write_line("_append(%s(%s()))" % (
+        writer.write_line("_append(_utf8(%s(%s())))" % (
             self.method, method_name), self.line)