Oct 22, 2025 · Oct 22, 2025
diff --git a/tests/test_base.py b/tests/test_base.py
        self.loop.run_until_complete(fut)
        self.assertEqual(handle.when(), when)

    def test_loop_call_later_0_returns_timer_handle(self):
        cb = lambda: False  # NoQA
        handle = self.loop.call_later(0, cb)
        handle.when()
        handle.cancel()


 class TestBaseAIO(_TestBase, AIOTestCase):
    pass
diff --git a/uvloop/loop.pyx b/uvloop/loop.pyx
        when = <uint64_t>round(delay * 1000)
        if not args:
            args = None
        if when == 0:
            return self._call_soon(callback, args, context)
        else:
            return self._call_later(when, callback, args, context)
        return self._call_later(when, callback, args, context)

    def call_at(self, when, callback, *args, context=None):
        """Like call_later(), but uses an absolute time.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -938,6 +938,12 @@ def test_loop_call_later_handle_when_after_fired(self):
		self.loop.run_until_complete(fut)
		self.assertEqual(handle.when(), when)

		def test_loop_call_later_0_returns_timer_handle(self):
		cb = lambda: False # NoQA
		handle = self.loop.call_later(0, cb)
		handle.when()
		handle.cancel()


		class TestBaseAIO(_TestBase, AIOTestCase):
		pass
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Original file line number	Diff line number	Diff line change
Expand Up		@@ -1326,10 +1326,7 @@ cdef class Loop:
		when = <uint64_t>round(delay * 1000)
		if not args:
		args = None
		if when == 0:
		return self._call_soon(callback, args, context)
		else:
		return self._call_later(when, callback, args, context)
		return self._call_later(when, callback, args, context)

		def call_at(self, when, callback, *args, context=None):
		"""Like call_later(), but uses an absolute time.
Expand Down