shadows name from outer scope

[Terry Reedy]

On 10/11/2016 11:50 AM, Daiyue Weng wrote:
> Hi, I have the following code structure,
>
> def one_func(param1, param2, param3):
>
>     process_outcome = {'dict': None}
>
>
>     outcome = another_func(param1, process_outcome, db_host=param2,
> funcs_to_run=param3)
>
> PyCharm warns me
>
> Shadows name from outer scope
>
> on every variable here, param1,2,3, process_outcome.

Have you checked that this is true?  Code checkers sometimes have bugs. 
In any case, we cannot comment on this without code.

> I am wondering how to resolve the issues,

Ignore the warning or turn it off.

> and is it vital to have variables not shadowed?

No, sometimes it is the right thing to do.  Some warnings dependably 
indicate something wrong.  Some do not and are just a hint that maybe 
you should think about what you did.  Was it accidental (a typo) or 
intentional?

-- 
Terry Jan Reedy