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from django import VERSION
from timezone_field.backends import USE_PYTZ_DEFAULT, get_tz_backend
from timezone_field.backends.zoneinfo import ZoneInfoBackend
def test_use_pytz_default_USE_DEPRECATED_PYTZ_unset():
assert USE_PYTZ_DEFAULT is (VERSION < (4, 0))
def test_get_tz_backend_when_use_pytz_is_none():
assert get_tz_backend(None) is get_tz_backend(USE_PYTZ_DEFAULT)
def test_get_tz_backend_when_use_pytz_is_false():
assert isinstance(get_tz_backend(False), ZoneInfoBackend)
try:
from timezone_field.backends.pytz import PYTZBackend
except ImportError:
pass
else:
def test_get_tz_backend_when_use_pytz_is_true():
assert isinstance(get_tz_backend(True), PYTZBackend)
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