Fix doc of os.fwalk: example used now non-existing os.fstatat()
diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index d0e2532..f38b152 100644
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -2252,7 +2252,7 @@
import os
for root, dirs, files, rootfd in os.fwalk('python/Lib/email'):
print(root, "consumes", end="")
- print(sum([os.fstatat(rootfd, name).st_size for name in files]),
+ print(sum([os.stat(name, dir_fd=rootfd).st_size for name in files]),
end="")
print("bytes in", len(files), "non-directory files")
if 'CVS' in dirs: