[issue16520] subprocess.Popen() TypeError message incorrect without args argument

Carl Bordum Hansen added the comment: I think changing the message will break a lot of tests. Here are some examples just from CPython: https://github.com/python/cpython/blob/master/Lib/test/test_dataclasses.py#L2655 https://github.com/python/cpython/blob/master/Lib/test/test_extcall.py It wo

[issue16520] subprocess.Popen() TypeError message incorrect without args argument

Change by Joannah Nanjekye : -- nosy: +nanjekyejoannah ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https:

[issue16520] subprocess.Popen() TypeError message incorrect without args argument

Changes by Chris Jerdonek : -- dependencies: +improve TypeError messages for missing arguments (meta issue) ___ Python tracker ___ ___

[issue16520] subprocess.Popen() TypeError message incorrect without args argument

Chris Jerdonek added the comment: > TypeError: __init__() missing 1 required positional argument: 'args' I think something like the following would be more correct: __init__() missing argument for parameter 'args' -- ___ Python tracker

[issue16520] subprocess.Popen() TypeError message incorrect without args argument

Mark Dickinson added the comment: By the way, I think this message from Nick is the closest to a resolution from that thread: "We've already had this terminology discussion and documented the results in PEP 362. The rest of the docs may require updates to be brought in line with that." (http

[issue16520] subprocess.Popen() TypeError message incorrect without args argument

Changes by Ezio Melotti : -- nosy: +ezio.melotti stage: -> needs patch ___ Python tracker ___ ___ Python-bugs-list mailing list Unsub

[issue16520] subprocess.Popen() TypeError message incorrect without args argument

Chris Jerdonek added the comment: Also see the terminology-related issue 15990 created from that thread. -- ___ Python tracker ___ ___

[issue16520] subprocess.Popen() TypeError message incorrect without args argument

Mark Dickinson added the comment: I don't think the first part of the report has anything to do with subprocess.Popen: >>> def f(x): ... return ... >>> f() Traceback (most recent call last): File "", line 1, in TypeError: f() missing 1 required positional argument: 'x' See the related

[issue16520] subprocess.Popen() TypeError message incorrect without args argument

New submission from Chris Jerdonek: The TypeError message when a call to subprocess.Popen() lacks the args argument is incorrect. For 3.3 and 3.4, the message incorrectly says that a positional argument is required when a keyword argument will do: >>> import subprocess >>> subprocess.Popen()