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Fri Jul 16 03:43:32 CEST 2004 · https://mail.python.org/pipermail/python-dev/2004-July/046275.html

> Python 2.4a1+ (#13, Jul 16 2004, 09:11:38)
> [GCC 3.3.2 (Debian)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> >>> None = 0
> <stdin>:1: SyntaxWarning: assignment to None
> >>> print None   # But assignment has no effect... perhaps due to this
> optim.?
> None
> >>> def f():
> ...    None = 0
> ...
> <stdin>:2: SyntaxWarning: assignment to None
> >>> f()
> 
> My CVS tree is up-to-date, and I did a "make clean".  Is everyone else
> getting the SyntaxError for this?

Hmm, it looks like I got burnt by IDLE which is converting the
SyntaxWarning into a SyntaxError:

Python 2.4a1 (#54, Jul  8 2004, 11:30:13) [MSC v.1310 32 bit (Intel)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
>>> None = 0
<stdin>:1: SyntaxWarning: assignment to None

Python 2.4a1 (#54, Jul  8 2004, 11:30:13) [MSC v.1310 32 bit (Intel)] on
win32
Type "copyright", "credits" or "license()" for more information.
IDLE 1.1a0      
>>> None = 0
SyntaxError: assignment to None (<pyshell#0>, line 1)

That raises the question.  Since there was a SyntaxWarning in Py2.3,
should it have been escalated to an error for Py2.4?

Raymond

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Showing content from https://mail.python.org/pipermail/python-dev/2004-July/046275.html below:

[Python-checkins] python/dist/src/Python compile.c, 2.306, 2.307