diff options
Diffstat (limited to 'Lib/subprocess.py')
| -rw-r--r-- | Lib/subprocess.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/subprocess.py b/Lib/subprocess.py index 41a9de10f5..b853f4d593 100644 --- a/Lib/subprocess.py +++ b/Lib/subprocess.py @@ -1006,6 +1006,9 @@ class Popen(object): if not self._child_created: # We didn't get to successfully create a child process. return + if self.returncode is None: + warnings.warn("running subprocess %r" % self, ResourceWarning, + source=self) # In case the child hasn't been waited on, check if it's done. self._internal_poll(_deadstate=_maxsize) if self.returncode is None and _active is not None: |