diff options
| -rw-r--r-- | tests/testutils/runcli.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/tests/testutils/runcli.py b/tests/testutils/runcli.py index f94cec8ae..1f6951abe 100644 --- a/tests/testutils/runcli.py +++ b/tests/testutils/runcli.py @@ -529,13 +529,16 @@ def environment(env): old_env = {} for key, value in env.items(): old_env[key] = os.environ.get(key) - os.environ[key] = value + if value is None: + os.environ.pop(key, None) + else: + os.environ[key] = value yield for key, value in old_env.items(): if value is None: - del os.environ[key] + os.environ.pop(key, None) else: os.environ[key] = value |