Failed to import metadefs

When running this I get the following error:

Traceback (most recent call last):
  File "/home/user/.local/lib/python3.9/site-packages/celery/app/trace.py", line 412, in trace_task
    R = retval = fun(*args, **kwargs)
  File "/home/user/.local/lib/python3.9/site-packages/celery/app/trace.py", line 704, in __protected_call__
    return self.run(*args, **kwargs)
  File "/home/user/.local/lib/python3.9/site-packages/watcher/tasks/__init__.py", line 35, in convert2zarr
    return _imc2zarr(input_dir, output_dir / "imc")
  File "/home/user/.local/lib/python3.9/site-packages/watcher/tasks/__init__.py", line 16, in _imc2zarr
    from imc2zarr import imc2zarr
  File "/home/user/.local/lib/python3.9/site-packages/imc2zarr/__init__.py", line 6, in <module>
    from .converter import Imc2Zarr
  File "/home/user/.local/lib/python3.9/site-packages/imc2zarr/converter.py", line 7, in <module>
    from .imclib.imcraw import ImcRaw
  File "/home/user/.local/lib/python3.9/site-packages/imc2zarr/imclib/imcraw.py", line 4, in <module>
    from .imcdataparser import ImcDataParser
  File "/home/user/.local/lib/python3.9/site-packages/imc2zarr/imclib/imcdataparser.py", line 8, in <module>
    from .mcdmeta import Slide, Panorama, Acquisition
  File "/home/user/.local/lib/python3.9/site-packages/imc2zarr/imclib/mcdmeta.py", line 3, in <module>
    import metadefs as defs
ModuleNotFoundError: No module named 'metadefs'