Issue #767645: fix os.path.supports_unicode_filenames definition
os.listdir(str) always returns unicode and it can return non-ascii filenames
even if supports_unicode_filenames is False.
diff --git a/Doc/library/os.path.rst b/Doc/library/os.path.rst
index 7aac5c4..92f48cf 100644
--- a/Doc/library/os.path.rst
+++ b/Doc/library/os.path.rst
@@ -320,5 +320,4 @@
.. data:: supports_unicode_filenames
True if arbitrary Unicode strings can be used as file names (within limitations
- imposed by the file system), and if :func:`os.listdir` returns strings that
- contain characters that cannot be represented by ASCII.
+ imposed by the file system).