New submission from Jan Christoph <con-f-...@gmx.net>:
The python code:
```
class _tri(object):
infts = '(+/-)inf, (+/-)infty, (+/-)infinity'
strange_failing = {x+s.replace('(+/-)',''):None for x in ('+','-','') for s
in infts.split(', ')}
```
gives a `global name 'infts' is not defined` exception, when normal dictionary
comprehensions (without nested loops) and regular nested for-loops work
perfectly well.
For a complete shell session and more illustrative example in versions 2.7.15
and 3.6.4 see: https://pastebin.ubuntu.com/p/9Pg8DThbsd/
----------
components: Interpreter Core
files: what_a_dict.py
messages: 321326
nosy: con-f-use
priority: normal
severity: normal
status: open
title: Nested loop in dictionary comprehension gives `global name not defined`
inside class
type: behavior
versions: Python 2.7
Added file: https://bugs.python.org/file47678/what_a_dict.py
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue34076>
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