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-rw-r--r--Lib/test/datetimetester.py12
1 files changed, 6 insertions, 6 deletions
diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
index df5e45f5f20..93b3382b9c6 100644
--- a/Lib/test/datetimetester.py
+++ b/Lib/test/datetimetester.py
@@ -183,7 +183,7 @@ class TestTZInfo(unittest.TestCase):
def __init__(self, offset, name):
self.__offset = offset
self.__name = name
- self.assertTrue(issubclass(NotEnough, tzinfo))
+ self.assertIsSubclass(NotEnough, tzinfo)
ne = NotEnough(3, "NotByALongShot")
self.assertIsInstance(ne, tzinfo)
@@ -232,7 +232,7 @@ class TestTZInfo(unittest.TestCase):
self.assertIs(type(derived), otype)
self.assertEqual(derived.utcoffset(None), offset)
self.assertEqual(derived.tzname(None), oname)
- self.assertFalse(hasattr(derived, 'spam'))
+ self.assertNotHasAttr(derived, 'spam')
def test_issue23600(self):
DSTDIFF = DSTOFFSET = timedelta(hours=1)
@@ -813,7 +813,7 @@ class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase):
# Verify td -> string -> td identity.
s = repr(td)
- self.assertTrue(s.startswith('datetime.'))
+ self.assertStartsWith(s, 'datetime.')
s = s[9:]
td2 = eval(s)
self.assertEqual(td, td2)
@@ -1231,7 +1231,7 @@ class TestDate(HarmlessMixedComparison, unittest.TestCase):
self.theclass.today()):
# Verify dt -> string -> date identity.
s = repr(dt)
- self.assertTrue(s.startswith('datetime.'))
+ self.assertStartsWith(s, 'datetime.')
s = s[9:]
dt2 = eval(s)
self.assertEqual(dt, dt2)
@@ -2218,7 +2218,7 @@ class TestDateTime(TestDate):
self.theclass.now()):
# Verify dt -> string -> datetime identity.
s = repr(dt)
- self.assertTrue(s.startswith('datetime.'))
+ self.assertStartsWith(s, 'datetime.')
s = s[9:]
dt2 = eval(s)
self.assertEqual(dt, dt2)
@@ -3687,7 +3687,7 @@ class TestTime(HarmlessMixedComparison, unittest.TestCase):
# Verify t -> string -> time identity.
s = repr(t)
- self.assertTrue(s.startswith('datetime.'))
+ self.assertStartsWith(s, 'datetime.')
s = s[9:]
t2 = eval(s)
self.assertEqual(t, t2)