bpo-23819: asyncio: Replace AssertionError with TypeError where it makes sense (GH-29894)

2 files changed, 6 insertions, 6 deletions

diff --git a/Lib/test/test_asyncio/test_base_events.py b/Lib/test/test_asyncio/test_base_events.py
index b522fac..d812bc9 100644
--- a/Lib/test/test_asyncio/test_base_events.py
+++ b/Lib/test/test_asyncio/test_base_events.py
@@ -255,6 +255,8 @@ class BaseEventLoopTests(test_utils.TestCase):
         self.assertIsInstance(h, asyncio.TimerHandle)
         self.assertIn(h, self.loop._scheduled)
         self.assertNotIn(h, self.loop._ready)
+        with self.assertRaises(TypeError, msg="delay must not be None"):
+            self.loop.call_later(None, cb)
 
     def test_call_later_negative_delays(self):
         calls = []
@@ -286,6 +288,8 @@ class BaseEventLoopTests(test_utils.TestCase):
         # tolerate a difference of +800 ms because some Python buildbots
         # are really slow
         self.assertLessEqual(dt, 0.9, dt)
+        with self.assertRaises(TypeError, msg="when cannot be None"):
+            self.loop.call_at(None, cb)
 
     def check_thread(self, loop, debug):
         def cb():
diff --git a/Lib/test/test_asyncio/test_events.py b/Lib/test/test_asyncio/test_events.py
index e50a53d..fe791fa 100644
--- a/Lib/test/test_asyncio/test_events.py
+++ b/Lib/test/test_asyncio/test_events.py
@@ -2322,10 +2322,6 @@ class TimerTests(unittest.TestCase):
         self.assertIsNone(h._callback)
         self.assertIsNone(h._args)
 
-        # when cannot be None
-        self.assertRaises(AssertionError,
-                          asyncio.TimerHandle, None, callback, args,
-                          self.loop)
 
     def test_timer_repr(self):
         self.loop.get_debug.return_value = False
@@ -2592,7 +2588,7 @@ class PolicyTests(unittest.TestCase):
         policy = asyncio.DefaultEventLoopPolicy()
         old_loop = policy.get_event_loop()
 
-        self.assertRaises(AssertionError, policy.set_event_loop, object())
+        self.assertRaises(TypeError, policy.set_event_loop, object())
 
         loop = policy.new_event_loop()
         policy.set_event_loop(loop)
@@ -2608,7 +2604,7 @@ class PolicyTests(unittest.TestCase):
 
     def test_set_event_loop_policy(self):
         self.assertRaises(
-            AssertionError, asyncio.set_event_loop_policy, object())
+            TypeError, asyncio.set_event_loop_policy, object())
 
         old_policy = asyncio.get_event_loop_policy()