From 15714bb0e8f5631f29ee67bce99cdaa96ef55e16 Mon Sep 17 00:00:00 2001
From: Eklavya Sharma <sharmaeklavya2@users.noreply.github.com>
Date: Sat, 2 Jul 2016 20:10:09 +0530
Subject: [PATCH] Set a default value for output in CalledProcessError.__init__
 (#329)

---
 stdlib/3/subprocess.pyi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stdlib/3/subprocess.pyi b/stdlib/3/subprocess.pyi
index 83d62cf9e..9b7921a31 100644
--- a/stdlib/3/subprocess.pyi
+++ b/stdlib/3/subprocess.pyi
@@ -29,7 +29,7 @@ class CalledProcessError(Exception):
     cmd = ...  # type: str
     output = b'' # May be None
 
-    def __init__(self, returncode: int, cmd: str, output: Optional[str],
+    def __init__(self, returncode: int, cmd: str, output: Optional[str] = ...,
                  stderr: Optional[str] = ...) -> None: ...
 
 class Popen: