New submission from Rodrigo Ventura <rodrigo.ventura....@gmail.com>:
Consider these two functions:
---
def nok():
a = None
def f():
if a:
a = 1
f()
def ok():
a = None
def f():
if a:
b = 1
f()
---
Function ok() executes fine, but function nok() trigger an exception:
Traceback (most recent call last):
File "pb.py", line 20, in <module>
nok()
File "pb.py", line 7, in nok
f()
File "pb.py", line 5, in f
if a:
UnboundLocalError: local variable 'a' referenced before assignment
There is no reason for this to happen
Regards,
Rodrigo Ventura
----------
messages: 135380
nosy: Rodrigo.Ventura
priority: normal
severity: normal
status: open
title: non causal behavior
type: behavior
versions: Python 2.7
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue12023>
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