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-rw-r--r--tests/regressiontests/utils/dateformat.py7
1 files changed, 5 insertions, 2 deletions
diff --git a/tests/regressiontests/utils/dateformat.py b/tests/regressiontests/utils/dateformat.py
index 6afbcd61ec..2ff3441486 100644
--- a/tests/regressiontests/utils/dateformat.py
+++ b/tests/regressiontests/utils/dateformat.py
@@ -6,11 +6,14 @@ from django.utils.tzinfo import FixedOffset, LocalTimezone
class DateFormatTests(TestCase):
def setUp(self):
- self.old_TZ = os.environ['TZ']
+ self.old_TZ = os.environ.get('TZ')
os.environ['TZ'] = 'Europe/Copenhagen'
def tearDown(self):
- os.environ['TZ'] = self.old_TZ
+ if self.old_TZ is None:
+ del os.environ['TZ']
+ else:
+ os.environ['TZ'] = self.old_TZ
def test_date(self):
d = date(2009, 5, 16)