Avoid a warning when building the docs.

Author: aaugustin

docs/conf.py

@@ -50,6 +50,8 @@
     ("py:meth", "protocol.WebSocketCommonProtocol.connection_lost"),
     ("py:meth", "protocol.WebSocketCommonProtocol.read_message"),
     ("py:meth", "protocol.WebSocketCommonProtocol.write_frame"),
+    # Caused by https://github.com/sphinx-doc/sphinx/issues/13838
+    ("py:class", "ssl_module.SSLContext"),
 ]
 
 # Add any Sphinx extension module names here, as strings. They can be

src/websockets/trio/client.py

@@ -233,6 +233,9 @@ class connect:
 
     """
 
+    # Arguments of type SSLContext don't render correctly in the documentation
+    # because of https://github.com/sphinx-doc/sphinx/issues/13838.
+
     def __init__(
         self,
         uri: str,