Update Lib/asyncio/tasks.py

Author: graingert

Lib/asyncio/tasks.py

@@ -1008,7 +1008,7 @@ def create_eager_task_factory(custom_task_constructor):
         used. E.g. `loop.set_task_factory(asyncio.eager_task_factory)`.
         """
 
-    def factory(loop, coro, eager_start=True, **kwargs):
+    def factory(loop, coro, *, eager_start=True, **kwargs):
         return custom_task_constructor(
             coro, loop=loop, eager_start=eager_start, **kwargs)