spectacoular error

Error running application handler <bokeh.application.handlers.directory.DirectoryHandler object at 0x000002DF6C60EBE0>: cannot import name 'SoundDeviceSamplesGenerator' from 'spectacoular' (C:\Users\kraeml\Anaconda3\lib\site-packages\spectacoular\__init__.py)
File 'interfaces.py', line 26, in get_interface:
from spectacoular import SoundDeviceSamplesGenerator Traceback (most recent call last):
  File "C:\Users\kraeml\Anaconda3\lib\site-packages\bokeh\application\handlers\code_runner.py", line 231, in run
    exec(self._code, module.__dict__)
  File "C:\Users\kraeml\Desktop\spectacoular-master\apps\Measurement_App\main.py", line 117, in <module>
    inputSignalGen = get_interface(DEVICE)
  File "C:\Users\kraeml\Desktop\spectacoular-master\apps\Measurement_App\interfaces.py", line 26, in get_interface
    from spectacoular import SoundDeviceSamplesGenerator
ImportError: cannot import name 'SoundDeviceSamplesGenerator' from 'spectacoular' (C:\Users\kraeml\Anaconda3\lib\site-packages\spectacoular\__init__.py)