old_contents: """ Module for helper functions used inside jinja2 templates """
  
  # NB, each blueprint must individually load any functions defined below
  # for them to appear in the namespace when invoked from respective blueprint
  # See @<blueprint>.context_processor decorator for more info.
  
  def split_string(s, delimiter=','):
      return s.split(delimiter)
  
new_contents: """ Module for helper functions used inside jinja2 templates """
  
  # NB, each blueprint must individually load any functions defined below
  # for them to appear in the namespace when invoked from respective blueprint
  # See @<blueprint>.context_processor decorator for more info.
  
  def split_string(s, delimiter=','):
      """Given string (or tuple) return the delimited values"""
      # If given a tuple, split already happened
      if isinstance(s, (list, tuple)):
          return s
      return s.split(delimiter)
  
subject: Allow for list/tuples in config files when looking for comma delimited strings.