Leia atentamente o arquivo README.MD do github, existem várias dependências:
Required libraries:
Python 3
Python configparser (Python versions higher than 3.5.0 come with it. There is no need to install a separate package)
PyGobject 3
Python Cairo
Python Numpy
Python Scipy (0.18 or above)
Gtk 3.18 or above
Gstreamer, Gstreamer Plugins Good, Gstreamer Plugins Bad and Gstreamer Python (Since version 1.4.3 Pulseeffects needs Gstreamer 1.12 or above)
swh-plugins from Ladspa