Remove the buffer API from PyUnicode as specified by PEP 3137. Also,
fix the error message of the 't' format unit, in getargs.c, so that it
asks for bytes, instead of string.
diff --git a/Python/getargs.c b/Python/getargs.c
index de9cc93..4bcc175 100644
--- a/Python/getargs.c
+++ b/Python/getargs.c
@@ -1252,7 +1252,7 @@
arg, msgbuf, bufsize);
if (pb == NULL || pb->bf_getbuffer == NULL)
return converterr(
- "string or read-only character buffer",
+ "bytes or read-only character buffer",
arg, msgbuf, bufsize);
if ((*pb->bf_getbuffer)(arg, &view, PyBUF_SIMPLE) != 0)