Revert "feat: speed up SmartTask and SmartFuture init (#433)" (#435)

* Revert "feat: speed up SmartTask and SmartFuture init (#433)"

This reverts commit 8bc2aba.

* feat(test): test SmartTask creation

* chore: `black .`

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

a_sync/_smart.py

@@ -6,7 +6,6 @@
 """
 
 import asyncio
-import contextvars
 import logging
 import warnings
 import weakref
@@ -198,9 +197,7 @@ def __init__(
         if key:
             self._key = key
         self._waiters = weakref.WeakSet()
-        self._callbacks.append(
-            (SmartFuture._self_done_cleanup_callback, contextvars.copy_context())
-        )
+        self.add_done_callback(SmartFuture._self_done_cleanup_callback)
 
     def __repr__(self):
         return f"<{type(self).__name__} key={self._key} waiters={self.num_waiters} {self._state}>"
@@ -301,9 +298,7 @@ def __init__(
         """
         asyncio.Task.__init__(self, coro, loop=loop, name=name)
         self._waiters: Set["asyncio.Task[T]"] = set()
-        self._callbacks.append(
-            (SmartTask._self_done_cleanup_callback, contextvars.copy_context())
-        )
+        self.add_done_callback(SmartTask._self_done_cleanup_callback)
 
 
 def smart_task_factory(

tests/test_smart.py

@@ -0,0 +1,15 @@
+import asyncio
+import pytest
+
+from a_sync._smart import SmartTask
+
+
+@pytest.mark.asyncio_cooperative
+async def test_smart_task_await():
+    await SmartTask(asyncio.sleep(0.1), loop=None)
+
+
+@pytest.mark.asyncio_cooperative
+async def test_smart_task_name():
+    t = SmartTask(asyncio.sleep(0.1), loop=None, name="test")
+    assert t.get_name() == "test"