Remove an inaccurate note from socket.recv.
See the Unix manual page :manpage:`recv(2)` for the meaning of the optional argument
*flags*; it defaults to zero.
- .. note::
-
- For best match with hardware and network realities, the value of *bufsize*
- should be a relatively small power of 2, for example, 4096.
-
.. versionchanged:: 3.5
If the system call is interrupted and the signal handler does not raise
an exception, the method now retries the system call instead of raising