Stefan Seefeld wrote:
> In a python module of mine I import system modules
> ('sys', say) and then use them from within some functions.
>
> However, during program termination I'm calling
> one such function and the module reference ('sys')
> is 'None' !
Are you running any daemon threads? This can generally happen when a
daemon thread continues to access module globals during the interpreter
shutdown sequence. At one stage all globals in all modules are rebound
to None, and there's a chance some of your daemon thread code will
execute just as this is occurring, resulting in that kind of error message.
-Peter
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