code: def subjects_create(self, filename):
          
          # Ensure that the file name has a valid archive suffix
          if get_filename_suffix(filename, ARCHIVE_SUFFIXES) is None:
              raise ValueError('invalid file suffix: ' + os.path.basename(os.path.normpath(filename)))
          # Create subject from archive. Raises exception if file is not a valid
          # subject archive
          return self.subjects.upload_file(filename)
docs: Create subject from given data files. Expects the file to be a
          Freesurfer archive.
  
          Raises ValueError if given file is not a valid subject file.
  
          Parameters
          ----------
          filename : File-type object
              Freesurfer archive file
  
          Returns
          -------
          SubjectHandle
              Handle for created subject in database