[issue41414] AST for arguments shows extra element

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

(arg* posonlyargs) is correct and was added to 3.8 as part of 
https://www.python.org/dev/peps/pep-0570/

--
nosy: +pablogsal
resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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[issue41414] AST for arguments shows extra element

[James Foster]

New submission from James Foster :

https://docs.python.org/3.8/library/ast.html shows seven elements:
arguments = (arg* posonlyargs, arg* args, arg? vararg, arg* kwonlyargs,
 expr* kw_defaults, arg? kwarg, expr* defaults)

https://docs.python.org/3.7/library/ast.html shows six elements:
arguments = (arg* args, arg? vararg, arg* kwonlyargs, expr* kw_defaults,
 arg? kwarg, expr* defaults)

based on ast.c:1479 I believe that six is the proper number and that the first 
element ("arg* posonlyargs, ") is a duplicate of the second element ("arg* 
args, ") and should be removed.

--
assignee: docs@python
components: Documentation
messages: 374425
nosy: docs@python, jgfoster
priority: normal
severity: normal
status: open
title: AST for arguments shows extra element
type: behavior
versions: Python 3.8

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