[PR #6840/934db9ab backport][3.8] Cleanup sphinx nitpicks (#6920)

**This is a backport of PR #6840 as merged into master
(934db9a).**

None

Co-authored-by: Sam Bull <aa6bs0@sambull.org>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

docs/conf.py

@@ -390,7 +390,6 @@
     ("py:class", "aiohttp.SimpleCookie"),  # undocumented
     ("py:class", "aiohttp.web.RequestHandler"),  # undocumented
     ("py:class", "aiohttp.NamedPipeConnector"),  # undocumented
-    ("py:meth", "aiohttp.ClientSession.request"),  # undocumented
     ("py:class", "aiohttp.protocol.HttpVersion"),  # undocumented
     ("py:class", "aiohttp.ClientRequest"),  # undocumented
     ("py:class", "aiohttp.payload.Payload"),  # undocumented

tests/test_run_app.py

@@ -23,9 +23,7 @@
 if IS_UNIX:
     with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as _abstract_path_sock:
         try:
-            _abstract_path_sock.bind(
-                b"\x00" + uuid4().hex.encode("ascii")
-            )
+            _abstract_path_sock.bind(b"\x00" + uuid4().hex.encode("ascii"))
         except FileNotFoundError:
             _abstract_path_failed = True
         else: