add doc string to ClockEventLoop

derekbrokeit · derekbrokeit · commit 3d340374d7a9 · 2018-09-10T12:01:24.000-07:00
diff --git a/pytest_asyncio/plugin.py b/pytest_asyncio/plugin.py
@@ -160,6 +160,9 @@ def pytest_runtest_setup(item):
 
 
 class ClockEventLoop(asyncio.SelectorEventLoop):
+    """
+    A custom event loop that explicitly advances time when requested.
+    """
     _now = 0
 
     def time(self):
