Python scripts in IIS

[Scott F]

and-google at doxdesk.com (Andrew Clover) wrote in
news:2c60a528.0402250300.17451bfe at posting.google.com: 

> 
> Note: you really want -
> 
>    ...python.exe -u %s %s
> 
> The -u ensures you get binary IO streams, which will become
> significant if you are receiving file upload fields or returning a
> non-textual response (ie. file download).
> 

Can you reference the documentation for the  -u  argument?

Thanks.

Scott