code: def from_list(self, subj_files):
          
          for sf in subj_files:
              try:
                  nii_img = self._load_image(get_abspath(sf))
                  self.items.append(nii_img)
              except Exception as exc:
                  raise Exception('Error while reading file {0}.'.format(sf)) from exc
docs: Parameters
          ----------
          subj_files: list of str
              file_paths