code: def pst_from_io_files(tpl_files,in_files,ins_files,out_files,pst_filename=None):
      
  
      warnings.warn("pst_from_io_files has moved to pyemu.helpers and is also "+\
                    "now avaiable as a Pst class method (Pst.from_io_files())",PyemuWarning)
      from pyemu import helpers
      return helpers.pst_from_io_files(tpl_files=tpl_files,in_files=in_files,
                                ins_files=ins_files,out_files=out_files,
                                pst_filename=pst_filename)
docs: generate a new pyemu.Pst instance from model interface files.  This
      function is emulated in the Pst.from_io_files() class method.
  
      Parameters
      ----------
      tpl_files : (list)
          template file names
      in_files : (list)
          model input file names
      ins_files : (list)
          instruction file names
      out_files : (list)
          model output file names
      pst_filename : str
          filename to save new pyemu.Pst.  If None, Pst is not written.
          default is None
  
      Returns
      -------
      new_pst : pyemu.Pst