[New-bugs-announce] [issue18030] IDLE shell crashes when reporting errors in Windows 7

[Marc]

New submission from Marc:

Using TkInter as gui, running a module that worked in 3.0 (I believe). 

It is trying to print a warning message about 

RuntimeWarning: overflow encountered in double_scalars

and stops my process (running eval) returning this error

  File "C:\Python32\lib\idlelib\PyShell.py", line 59, in idle_showwarning
    file.write(warnings.formatwarning(message, category, filename,
AttributeError: 'NoneType' object has no attribute 'write'

If I use python -m idlelib.idle it doesn't happen; it just prints the error.

Previously this worked fine using the shell as stdout. This is similar to a bug about symbols' errors however it has been closed and this one is not about symbols. http://bugs.python.org/issue14200

I don't really know a lot about programming and don't often submit bugs so sorry if I've missed any major details here.

Marc

----------
components: IDLE
messages: 189788
nosy: marcopolo
priority: normal
severity: normal
status: open
title: IDLE shell crashes when reporting errors in Windows 7
type: crash
versions: Python 3.2

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18030>
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