blocks communicating with the child process

[ancillaryCode]

The reads from sdtin and stderr of child sequentially. The problem is this can block if the child is writing to the other fd. As far as I can tell, the correct solution is to use the "communicate" method off the proc object. I'd submit a patch but my employer has wrapped a bunch of bureaucracy around open source contributions.

[whitequark]

Thanks, I'll take a look. If attribution is a problem for you, you can mail a patch to [email protected] and I'll commit it under my name.

[TheSpyder]

Took a look at the python docs, and it seems easy enough. I ran a few tests and it still works, so...