docs: def _silent_none(value):
      '''
      >>> _silent_none(12)
      12
      >>> _silent_none(True)
      True
      >>> _silent_none(None)
      ''
      >>> _silent_none('')
      ''
      >>> _silent_none(False)
      False
      >>> _silent_none('None')
      ''
      >>> _silent_none("foooooooo")
      'foooooooo'
      '''
      if value is None:
          return ''
      if type(value) == int:
          return value
      if type(value) == bool:
          return value
      if not value:
          return ''
      try:
          if str(value) == 'None':
              return ''
      except UnicodeEncodeError:
          pass
      return value