Fix #2497: Ignore NotImplementedError raised by set_child_watcher fro…

…m uvloop.
aio-libs · Nov 10, 2017 · 0eaa475 · 0eaa475
1 parent 7e15124
commit 0eaa475
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diff --git a/CHANGES/2497.bugfix b/CHANGES/2497.bugfix
@@ -0,0 +1 @@
+Ignore `NotImplementedError` raised by `set_child_watcher` from `uvloop`.
diff --git a/aiohttp/test_utils.py b/aiohttp/test_utils.py
@@ -452,7 +452,8 @@ def setup_test_loop(loop_factory=asyncio.new_event_loop):
         policy = asyncio.get_event_loop_policy()
         watcher = asyncio.SafeChildWatcher()
         watcher.attach_loop(loop)
-        policy.set_child_watcher(watcher)
+        with contextlib.suppress(NotImplementedError):
+            policy.set_child_watcher(watcher)
     return loop