os.isatty is not Unix only. Correct the wrong documentation.

Addresses issue #18553

diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index 106c1df35c08a5355687620e191efe33a44888d3..d4912ce9c34a0881a864d22956a6e719c6f82803 100644 (file)
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -737,8 +737,6 @@ as internal buffering of data.
    Return ``True`` if the file descriptor *fd* is open and connected to a
    tty(-like) device, else ``False``.
 
-   Availability: Unix.
-
 
 .. function:: lseek(fd, pos, how)