Could you share a pastebin? Thank you

> Le 25 oct. 2018 à 21:28, James Hewitt <report@bugs.python.org> a écrit :
> 
> 
> New submission from James Hewitt <jgh@caurinus.com>:
> 
> Having 'import logging.config' in an if statement in a function causes a namespace issue, despite the fact that the import is not reached.
> 
> Example code:
> 
> ---
> #!/usr/bin/env python3
> 
> # Test weird import bug
> 
> import logging
> 
> 
> config = {}
> config['log'] = {}
> config['log']['log_type'] = 'file'
> config['log']['log_file'] = './log'
> config['log']['config'] = { 'version' : 1 }
> 
> 
> def do_config_logging():
>    if config['log']['log_type'] == 'from_config':
>        import logging.config
>        logging.config.dictConfig(config['log']['config'])
>    elif config['log']['log_type'] == 'file':
>        logging.basicConfig(filename=config['log']['log_file'])
>        logging.info("start logging")
> 
> 
> if __name__ == "__main__":
>    do_config_logging()
> 
> ---
> 
> 
> This results in:
> 
> Traceback (most recent call last):
>  File "./bug.py", line 25, in <module>
>    do_config_logging()
>  File "./bug.py", line 20, in do_config_logging
>    logging.basicConfig(filename=config['log']['log_file'])
> UnboundLocalError: local variable 'logging' referenced before assignment
> 
> 
> Notes:
> 
> This was run on Ubuntu Linux 18.04 Intel 64-bit, Python version 3.6.6
> 
> The problem does not occur if the branch is actually taken, and it does not occur if the 'if' statement is not in a function.  It also does not occur if 'logging.config' is imported as some other name, eg. 'configlogging'.
> 
> virtualenv is installed (via the distribution package) but not in use in the test case.
> 
> ----------
> components: Library (Lib)
> messages: 328470
> nosy: jhewitt
> priority: normal
> severity: normal
> status: open
> title: Unexecuted import in function causes UnboundLocalError
> type: behavior
> versions: Python 3.6
> 
> _______________________________________
> Python tracker <report@bugs.python.org>
> <https://bugs.python.org/issue35069>
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