Specify Python 3.10+ connection

Author: jakirkham

distributed/comm/tcp.py

@@ -43,7 +43,8 @@
 logger = logging.getLogger(__name__)
 
 
-# Workaround for OpenSSL 1.0.2 (can drop with OpenSSL 1.1.1)
+# Workaround for OpenSSL 1.0.2.
+# Can drop with OpenSSL 1.1.1 used by Python 3.10+.
 # ref: https://bugs.python.org/issue42853
 if sys.version_info < (3, 10):
     OPENSSL_MAX_CHUNKSIZE = 256 ** ctypes.sizeof(ctypes.c_int) // 2 - 1