code: def check_fsl():
      ver = Info.version()
      if ver:
          return 0
      else:
          return 1
  
imports: from glob import glob
  import os
  from ...None import logging
  from ...utils.filemanip import fname_presuffix
  from ..base import traits, isdefined, CommandLine, CommandLineInputSpec, PackageInfo
  from ...external.due import BibTeX
label_desc: Use image node_id 1 for calling a global function with example usage: check_fsl() and returns: int, int