Issue #21860: Correct docstrings of FileIO.seek() and FileIO.truncate() methods.
Patch by Terry Chia.
diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
index 6890ec3..94f62d0 100644
--- a/Modules/_io/fileio.c
+++ b/Modules/_io/fileio.c
@@ -980,7 +980,8 @@
"This is needed for lower-level file interfaces, such the fcntl module.");
PyDoc_STRVAR(seek_doc,
-"seek(offset: int[, whence: int]) -> None. Move to new file position.\n"
+"seek(offset: int[, whence: int]) -> int. Move to new file position\n"
+"and return the file position.\n"
"\n"
"Argument offset is a byte count. Optional argument whence defaults to\n"
"0 (offset from start of file, offset should be >= 0); other values are 1\n"
@@ -992,9 +993,10 @@
#ifdef HAVE_FTRUNCATE
PyDoc_STRVAR(truncate_doc,
-"truncate([size: int]) -> None. Truncate the file to at most size bytes.\n"
+"truncate([size: int]) -> int. Truncate the file to at most size bytes and\n"
+"return the truncated size.\n"
"\n"
-"Size defaults to the current file position, as returned by tell()."
+"Size defaults to the current file position, as returned by tell().\n"
"The current file position is changed to the value of size.");
#endif