Fix typo in stream setup for stderr

diff --git a/tornado/process.py b/tornado/process.py
index eb6157b23ffe0b03ab1ba4faa2bb0e224a6181fd..0509eb3a9cb95db0f2515d38641ae4addf1704a0 100644 (file)
--- a/tornado/process.py
+++ b/tornado/process.py
@@ -195,7 +195,7 @@ class Subprocess(object):
             err_r, err_w = os.pipe()
             kwargs['stderr'] = err_w
             to_close.append(err_w)
-            self.stdout = PipeIOStream(err_r, io_loop=self.io_loop)
+            self.stderr = PipeIOStream(err_r, io_loop=self.io_loop)
         self.proc = subprocess.Popen(*args, **kwargs)
         for fd in to_close:
             os.close(fd)