bpo-20047: Make bytearray methods partition() and rpartition() rejecting (#4158)

separators that are not bytes-like objects.

1 files changed, 6 insertions, 4 deletions

diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index 2fce851..0bcafd3 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -2573,8 +2573,9 @@ arbitrary binary data.
             bytearray.partition(sep)
 
    Split the sequence at the first occurrence of *sep*, and return a 3-tuple
-   containing the part before the separator, the separator, and the part
-   after the separator.  If the separator is not found, return a 3-tuple
+   containing the part before the separator, the separator itself or its
+   bytearray copy, and the part after the separator.
+   If the separator is not found, return a 3-tuple
    containing a copy of the original sequence, followed by two empty bytes or
    bytearray objects.
 
@@ -2629,8 +2630,9 @@ arbitrary binary data.
             bytearray.rpartition(sep)
 
    Split the sequence at the last occurrence of *sep*, and return a 3-tuple
-   containing the part before the separator, the separator, and the part
-   after the separator.  If the separator is not found, return a 3-tuple
+   containing the part before the separator, the separator itself or its
+   bytearray copy, and the part after the separator.
+   If the separator is not found, return a 3-tuple
    containing a copy of the original sequence, followed by two empty bytes or
    bytearray objects.