class_docstr: default setting for report constants
docstr: Output to some destination
docstr_tok: ["Output","to","some","destination"]
code: def to_file(self):
      """
      Output to some destination
      """
      out = os.path.join(
          self.path, ".".join((self.name, self.extension))
      )
      self.output(name=out, dest=self.dest)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import warnings
  import datetime
  import re
  from fpdf import FPDF
label_desc: Use image node_id 21 for calling the CustomPdf obj's underlying member method code with example usage: obj.to_file() without return types