Mumpy has not been released on PyPI yet, so it must be cloned from the Git repo and installed manually.
$ git clone https://github.com/ianling/mumpy.git
$ cd mumpy/
$ python setup.py install- Python 3.6+
- opuslib
- pycryptodome
- protobuf
- libopus (for audio)
- Debian/Ubuntu: apt install libopus0
- OSX: brew install opus
- Windows: http://opus-codec.org/downloads/