fixed for python 3 compatibility

[nkarman]

Works for python 3.6!

[eilifm]

@casebeer please approve this! I've simply run 2to3 in my own fork with similar results. This small package is extremely useful and it would be amazing to keep it alive in the python3 world.

[deckar01]

You can install from the github branch as a stop gap.

pip install git+https://github.com/nkarman/audiogen.git@master

[Alastair-L]

Thankyou for this!

[Alastair-L]

Is there not an issue with generating tones in 3.7, because of some change to how generators call StopIterations, and now call RuntimeErrors? Sadly I can't show you the exact error right now as I'm on a school computer but I don't think this fix works for python 3.7. As it is it's great, however, if someone could help with this issue or explain what is going on that would be great.
https://docs.python.org/3/library/exceptions.html#StopIteration

[casebeer]

Thanks everyone for the reports – @monty-wanty I see what you're talking about but it'll take more debugging since I don't see anything raising StopIteration. I'll see if I can catch up on this PR.