Removing the mention of os.isatty mention as Unix only

Correct the wrong documentation.

diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index 8bbb2ec606184032a1626eb685b4726676a91db6..074f12cea27a50f202385b8d2f6c438fa8fb222f 100644 (file)
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -744,8 +744,6 @@ as internal buffering of data.
 
    As of Python 3.3, this is equivalent to ``os.pathconf(fd, name)``.
 
-   Availability: Unix.
-
 
 .. function:: fstat(fd)