class_docstr: default setting for report constants
docstr: add nested key-value pair in the format of "KEY: VALUE"
  (with a new line) to pdf, with current global indent level
  
  Args:
       info (list): list of tuple / list of (list of tuple))
          multi-level rendering, e.g. to display `model_info`
docstr_tok: ["add","nested","key-value","pair","in","the","format","of","``","KEY",":","VALUE","''","(","with","a","new","line",")","to","pdf",",","with","current","global","indent","level","Args",":","info","(","list",")",":","list","of","tuple","\/","list","of","(","list","of","tuple",")",")","multi-level","rendering",",","e.g",".","to","display","`","model_info","`"]
code: def add_nested_key_value_pair(self, info):
      """
      add nested key-value pair in the format of "KEY: VALUE"
      (with a new line) to pdf, with current global indent level
  
      Args:
           info (list): list of tuple / list of (list of tuple))
              multi-level rendering, e.g. to display `model_info`
      """
      if info is None or info == "":
          return
  
      def add_inner_pair(x):
          self.start_itemize()
          for key, value in x:
              self.write_html(
                  "%s%s"
                  % ("   " * self.itemize_level, self.itemize_symbol)
              )
              self.write_html("%s: " % key)
              if (type(value) is list) or (type(value) is tuple):
                  self.write_html("<BR>")
                  add_inner_pair(value)
              else:
                  self.write_html("<B>%s</B>" % str(value))
              self.write_html("<BR>")
          self.end_itemize()
  
      add_inner_pair(info)
  
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 16 for calling the CustomPdf obj's underlying member method code with example usage: obj.add_nested_key_value_pair(info) without return types