add wraps decorator, add to docstring

python · 1st1 · May 1, 2017 · Jan 19, 2017 · Feb 28, 2017 · Feb 28, 2017
commit 737fd0f3e3d558eb575f0eff755078a5eaaef60a
diff --git a/Doc/library/contextlib.rst b/Doc/library/contextlib.rst
@@ -88,7 +88,8 @@ Functions and classes provided:
    This function is a :term:`decorator` that can be used to define a factory
    function for :keyword:`async with` statement asynchronous context managers,
    without needing to create a class or separate :meth:`__aenter__` and
-   :meth:`__aexit__` methods.
+   :meth:`__aexit__` methods. It must be applied to an :term:`asynchronous
+   generator` function.
 
    A simple example::
 

diff --git a/Lib/test/test_contextlib_async.py b/Lib/test/test_contextlib_async.py
@@ -7,6 +7,7 @@
 
 def _async_test(func):
     """Decorator to turn an async function into a test case."""
+    @functools.wraps(func)
     def wrapper(*args, **kwargs):
         coro = func(*args, **kwargs)
         loop = asyncio.new_event_loop()