bpo-34630: Skip logging SSL certificate errors by asyncio code (GH-9169)
diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
index 0467438..492e377 100644
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -62,6 +62,9 @@
_FATAL_ERROR_IGNORE = (BrokenPipeError,
ConnectionResetError, ConnectionAbortedError)
+if ssl is not None:
+ _FATAL_ERROR_IGNORE = _FATAL_ERROR_IGNORE + (ssl.SSLCertVerificationError,)
+
_HAS_IPv6 = hasattr(socket, 'AF_INET6')
# Maximum timeout passed to select to avoid OS limitations
diff --git a/Misc/NEWS.d/next/Library/2018-09-11-10-00-53.bpo-34630.YbqUS6.rst b/Misc/NEWS.d/next/Library/2018-09-11-10-00-53.bpo-34630.YbqUS6.rst
new file mode 100644
index 0000000..452bcb6
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2018-09-11-10-00-53.bpo-34630.YbqUS6.rst
@@ -0,0 +1,2 @@
+Don't log SSL certificate errors in asyncio code (connection error logging
+is skipped already).