[docs] PyArg_ParseTuple with format "et#" and "es#" detects overflow by raising TypeError instead of ValueError (issue 26198)

[vadmium+py at gmail.com]

https://bugs.python.org/review/26198/diff/16428/Python/getargs.c
File Python/getargs.c (right):

https://bugs.python.org/review/26198/diff/16428/Python/getargs.c#newcode546
Python/getargs.c:546: strncpy(msgbuf, expected, bufsize);
The strncpy() makes snprintf() redundant, doesn’t it?

https://bugs.python.org/review/26198/