.. coroutinefunction:: open_connection(host=None, port=None, *, \
loop=None, limit=None, ssl=None, family=0, \
proto=0, flags=0, sock=None, local_addr=None, \
- server_hostname=None, ssl_handshake_timeout=None)
+ server_hostname=None, ssl_handshake_timeout=None, \
+ happy_eyeballs_delay=None, interleave=None)
Establish a network connection and return a pair of
``(reader, writer)`` objects.
The *ssl_handshake_timeout* parameter.
+ .. versionadded:: 3.8
+
+ Added *happy_eyeballs_delay* and *interleave* parameters.
+
.. coroutinefunction:: start_server(client_connected_cb, host=None, \
port=None, *, loop=None, limit=None, \
family=socket.AF_UNSPEC, \