google music xbmc

21:04:12 T:139747719051008  NOTICE: Previous line repeats 1 times.
21:04:12 T:139747719051008  NOTICE: Thread LanguageInvoker start, auto delete: false
21:04:12 T:139747719051008  NOTICE: -->Python Interpreter Initialized<--
21:04:12 T:139747719051008  NOTICE: GoogleMusic-0.8.2 ARGV: ['plugin://plugin.audio.googlemusic/', '19', '']
21:04:12 T:139747719051008   ERROR: EXCEPTION Thrown (PythonToCppException) : -->Python callback/script returned the following error<--
                                             - NOTE: IGNORING THIS CAN LEAD TO MEMORY LEAKS!
                                            Error Type: <type 'exceptions.ImportError'>
                                            Error Contents: cannot import name descriptor_pb2
                                            Traceback (most recent call last):
                                              File "/var/lib/htpc//.kodi/addons/googlemusic-xbmc-0.8.2/default.py", line 43, in <module>
                                                import GoogleMusicApi
                                              File "/var/lib/htpc//.kodi/addons/googlemusic-xbmc-0.8.2/GoogleMusicApi.py", line 3, in <module>
                                                from gmusicapi.api import Api
                                              File "/var/lib/htpc//.kodi/addons/script.module.gmusicapi/lib/gmusicapi/__init__.py", line 10, in <module>
                                                from gmusicapi.api import Api
                                              File "/var/lib/htpc//.kodi/addons/script.module.gmusicapi/lib/gmusicapi/api.py", line 22, in <module>
                                                from gmusicapi.protocol import webclient, musicmanager, upload_pb2, locker_pb2
                                              File "/var/lib/htpc//.kodi/addons/script.module.gmusicapi/lib/gmusicapi/protocol/musicmanager.py", line 16, in <module>
                                                from gmusicapi.protocol import upload_pb2, locker_pb2
                                              File "/var/lib/htpc//.kodi/addons/script.module.gmusicapi/lib/gmusicapi/protocol/upload_pb2.py", line 6, in <module>
                                                from google.protobuf import descriptor_pb2
                                            ImportError: cannot import name descriptor_pb2
                                            -->End of Python script error report<--
21:04:12 T:139749747546048   ERROR: GetDirectory - Error getting plugin://plugin.audio.googlemusic/
21:04:12 T:139749747546048   ERROR: CGUIMediaWindow::GetDirectory(plugin://plugin.audio.googlemusic/) failed
21:04:12 T:139747719051008  NOTICE: Thread BackgroundLoader start, auto delete: false