[Python-ideas] [Python-Dev] If you shadow a module in the standard library that IDLE depends on, bad things happen

[Greg Ewing]

Steven D'Aprano wrote:

> (1) Beginning with Python 3.6, the default is that the current directory 
> is put at the end of sys.path rather than the beginning. Instead of:
> 
> Scripts which deliberately or unintentionally shadow installed packages 
> will break from this change. I don't have a problem with this. You can't 
> fix harmful behaviour without breaking code that depends on that harmful 
> behaviour.

It will also break scripts that rely on looking at the
first element of sys.path to find the directory they
are running from. Such code is NOT relying on harmful
behaviour.

-- 
Greg