Strange error message in Python/getargs.c

[mishok13]

BPO	5580
Nosy	@birkenfeld

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2009-04-05.11:54:14.496>
created_at = <Date 2009-03-27.15:35:57.759>
labels = []
title = 'Strange error message in Python/getargs.c'
updated_at = <Date 2009-04-05.11:54:14.493>
user = 'https://bugs.python.org/mishok13'

bugs.python.org fields:

activity = <Date 2009-04-05.11:54:14.493>
actor = 'georg.brandl'
assignee = 'none'
closed = True
closed_date = <Date 2009-04-05.11:54:14.496>
closer = 'georg.brandl'
components = []
creation = <Date 2009-03-27.15:35:57.759>
creator = 'mishok13'
dependencies = []
files = []
hgrepos = []
issue_num = 5580
keywords = []
message_count = 2.0
messages = ['84264', '85486']
nosy_count = 2.0
nosy_names = ['georg.brandl', 'mishok13']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue5580'
versions = ['Python 2.7']

[mishok13]

I think the following message is a little bit confusing:
Python 2.7a0 (trunk, Mar 17 2009, 12:06:19)
[GCC 4.3.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> open('abc\x00')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: file() argument 1 must be (encoded string without NULL
bytes), not str

This message could be much more better if unneeded parentheses were
removed. :)
The message on line 861 in Python/getargs.c reads much better:
"string without null bytes"
Would it be appropriate to change the message in topic to something like
this?

[birkenfeld]

Fixed in r71225.