code: def default_cell_formatter(table, column, row, value, **_):
      
      formatter = _cell_formatters.get(type(value))
      if formatter:
          value = formatter(table=table, column=column, row=row, value=value)
  
      if value is None:
          return ''
  
      return conditional_escape(value)
docs: :type column: tri.table.Column