diff options
Diffstat (limited to 'Doc/library/io.rst')
| -rw-r--r-- | Doc/library/io.rst | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Doc/library/io.rst b/Doc/library/io.rst index b2e586a..faf1aea 100644 --- a/Doc/library/io.rst +++ b/Doc/library/io.rst @@ -361,8 +361,9 @@ I/O Base Classes .. method:: readinto(b) - Read up to len(b) bytes into bytearray *b* and return the number of bytes - read. + Read up to len(b) bytes into bytearray *b* and return the number ofbytes + read. If the object is in non-blocking mode and no bytes are available, + ``None`` is returned. .. method:: write(b) |