Traceback (most recent call last):
  File "/preprocess_scripts/process_dicom.py", line 303, in <module>
    process()
  File "/usr/local/lib/python3.6/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python3.6/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python3.6/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/preprocess_scripts/process_dicom.py", line 249, in process
    rescaled_image = rescale_dicom_image_intensity(image, meta_dict)
  File "/preprocess_scripts/process_dicom.py", line 128, in rescale_dicom_image_intensity
    center = int(meta_dict['0028|1050'])
ValueError: invalid literal for int() with base 10: '40.0'