[pre-commit.ci] auto fixes from pre-commit.com hooks

notes-to-self/loopy.py

@@ -6,10 +6,10 @@
 async def loopy():
     try:
         while True:
-            time.sleep(  # noqa: ASYNC101  # synchronous sleep to avoid maxing out CPU
+            time.sleep(  # synchronous sleep to avoid maxing out CPU
                 0.01
             )
-            await trio.sleep(0)
+            await trio.lowlevel.checkpoint()
     except KeyboardInterrupt:
         print("KI!")
 

notes-to-self/schedule-timing.py

@@ -11,7 +11,7 @@ async def reschedule_loop(depth):
         global LOOPS
         while RUNNING:
             LOOPS += 1
-            await trio.sleep(0)
+            await trio.lowlevel.checkpoint()
             # await trio.lowlevel.cancel_shielded_checkpoint()
     else:
         await reschedule_loop(depth - 1)

src/trio/_core/_tests/test_guest_mode.py

@@ -111,7 +111,7 @@ def done_callback(outcome: Outcome[T]) -> None:
 
 def test_guest_trivial() -> None:
     async def trio_return(in_host: InHost) -> str:
-        await trio.sleep(0)
+        await trio.lowlevel.checkpoint()
         return "ok"
 
     assert trivial_guest_run(trio_return) == "ok"
@@ -149,7 +149,7 @@ def test_guest_is_initialized_when_start_returns() -> None:
 
     async def trio_main(in_host: InHost) -> str:
         record.append("main task ran")
-        await trio.sleep(0)
+        await trio.lowlevel.checkpoint()
         assert trio.lowlevel.current_trio_token() is trio_token
         return "ok"
 
@@ -164,7 +164,7 @@ def after_start() -> None:
         @trio.lowlevel.spawn_system_task
         async def early_task() -> None:
             record.append("system task ran")
-            await trio.sleep(0)
+            await trio.lowlevel.checkpoint()
 
     res = trivial_guest_run(trio_main, in_host_after_start=after_start)
     assert res == "ok"
@@ -396,7 +396,7 @@ def do_abandoned_guest_run() -> None:
         async def abandoned_main(in_host: InHost) -> None:
             in_host(lambda: 1 / 0)
             while True:
-                await trio.sleep(0)
+                await trio.lowlevel.checkpoint()
 
         with pytest.raises(ZeroDivisionError):
             trivial_guest_run(abandoned_main)
@@ -472,7 +472,7 @@ async def trio_main() -> str:
 
         # Make sure we have at least one tick where we don't need to go into
         # the thread
-        await trio.sleep(0)
+        await trio.lowlevel.checkpoint()
 
         from_trio.put_nowait(0)
 
@@ -540,7 +540,7 @@ async def crash_in_run_loop(in_host: InHost) -> None:
 
         async def crash_in_io(in_host: InHost) -> None:
             m.setattr("trio._core._run.TheIOManager.get_events", None)
-            await trio.sleep(0)
+            await trio.lowlevel.checkpoint()
 
         with pytest.raises(trio.TrioInternalError):
             trivial_guest_run(crash_in_io)

src/trio/_tests/test_scheduler_determinism.py

@@ -15,7 +15,7 @@ async def scheduler_trace() -> tuple[tuple[str, int], ...]:
     async def tracer(name: str) -> None:
         for i in range(50):
             trace.append((name, i))
-            await trio.sleep(0)
+            await trio.lowlevel.checkpoint()
 
     async with trio.open_nursery() as nursery:
         for i in range(5):