Python3 compatibility

[tetsuyasu]

I added compatibility with Python3.
I confirmed that it works with Python3.

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[tetsuyasu]

I signed it!

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CLAs look good, thanks!

[yty]

I added compatibility with Python3. I confirmed that it works with Python3.

May I ask which version of Python 3 you are using?
I'm using version 3.5.6, and when I try to install the dependencies, I get the following error:

(E:\AnacondaFiles\Envs\AIDuet) E:\GithubFiles\googlecreativelab\aiexperiments-ai-duet\server>pip install -r requirements.txt
Exception:
Traceback (most recent call last):
  File "E:\AnacondaFiles\Envs\AIDuet\lib\site-packages\pip\_internal\basecommand.py", line 228, in main
    status = self.run(options, args)
  File "E:\AnacondaFiles\Envs\AIDuet\lib\site-packages\pip\_internal\commands\install.py", line 241, in run
    with self._build_session(options) as session:
  File "E:\AnacondaFiles\Envs\AIDuet\lib\site-packages\pip\_internal\basecommand.py", line 78, in _build_session
    if options.cache_dir else None
  File "E:\AnacondaFiles\Envs\AIDuet\lib\ntpath.py", line 113, in join
    genericpath._check_arg_types('join', path, *paths)
  File "E:\AnacondaFiles\Envs\AIDuet\lib\genericpath.py", line 143, in _check_arg_types
    (funcname, s.__class__.__name__)) from None
TypeError: join() argument must be str or bytes, not 'int'
Traceback (most recent call last):
  File "E:\AnacondaFiles\Envs\AIDuet\Scripts\pip-script.py", line 10, in <module>
    sys.exit(main())
  File "E:\AnacondaFiles\Envs\AIDuet\lib\site-packages\pip\_internal\__init__.py", line 246, in main
    return command.main(cmd_args)
  File "E:\AnacondaFiles\Envs\AIDuet\lib\site-packages\pip\_internal\basecommand.py", line 264, in main
    timeout=min(5, options.timeout)) as session:
  File "E:\AnacondaFiles\Envs\AIDuet\lib\site-packages\pip\_internal\basecommand.py", line 78, in _build_session
    if options.cache_dir else None
  File "E:\AnacondaFiles\Envs\AIDuet\lib\ntpath.py", line 113, in join
    genericpath._check_arg_types('join', path, *paths)
  File "E:\AnacondaFiles\Envs\AIDuet\lib\genericpath.py", line 143, in _check_arg_types
    (funcname, s.__class__.__name__)) from None
TypeError: join() argument must be str or bytes, not 'int'

[twobob]

@yty seems obvious but - perhaps check "which pip"
or perhaps python -m pip install -r et cetera in case the pip is spurious - not obvious from that excerpt.
anyway its a total guess but I always do sanity check my pip fwiw - apologies if this sems mansplainy