Keep ref to ECHILD in local scope (#16650)
diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index 0c60be1..fd51048 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -1412,7 +1412,7 @@
def _internal_poll(self, _deadstate=None, _waitpid=os.waitpid,
- _WNOHANG=os.WNOHANG):
+ _WNOHANG=os.WNOHANG, _ECHILD=errno.ECHILD):
"""Check if child process has terminated. Returns returncode
attribute.
@@ -1428,7 +1428,7 @@
except OSError as e:
if _deadstate is not None:
self.returncode = _deadstate
- elif e.errno == errno.ECHILD:
+ elif e.errno == _ECHILD:
# This happens if SIGCLD is set to be ignored or
# waiting for child processes has otherwise been
# disabled for our process. This child is dead, we