From 94829c391bc868f40f727be7f86d16fd1c223756 Mon Sep 17 00:00:00 2001 From: Ronny Pfannschmidt Date: Tue, 2 Oct 2018 10:20:09 +0200 Subject: [PATCH] make tmpdir env cleanup idempotent --- src/_pytest/pytester.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/_pytest/pytester.py b/src/_pytest/pytester.py index 228f9a193..956e00087 100644 --- a/src/_pytest/pytester.py +++ b/src/_pytest/pytester.py @@ -524,7 +524,7 @@ class Testdir(object): self._sys_modules_snapshot.restore() self._sys_path_snapshot.restore() self._cwd_snapshot.restore() - del os.environ["PYTEST_DEBUG_TEMPROOT"] + os.environ.pop("PYTEST_DEBUG_TEMPROOT", None) def __take_sys_modules_snapshot(self): # some zope modules used by twisted-related tests keep internal state