diff options
Diffstat (limited to 'Lib/subprocess.py')
| -rw-r--r-- | Lib/subprocess.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Lib/subprocess.py b/Lib/subprocess.py index d1324b8..4d316e6 100644 --- a/Lib/subprocess.py +++ b/Lib/subprocess.py @@ -1401,7 +1401,10 @@ class Popen(object): elif stderr == PIPE: errread, errwrite = os.pipe() elif stderr == STDOUT: - errwrite = c2pwrite + if c2pwrite != -1: + errwrite = c2pwrite + else: # child's stdout is not set, use parent's stdout + errwrite = sys.__stdout__.fileno() elif stderr == DEVNULL: errwrite = self._get_devnull() elif isinstance(stderr, int): |