code: def is_onlyws(self):
      return self._initial_size == 0 and (
          not self or str(self).isspace()
      )
  
imports: import re
  import binascii
  import email.quoprimime
  import email.base64mime
  from email.errors import HeaderParseError
  from email import charset
label_desc: Use image node_id 8 for calling the _Accumulator obj's underlying member method code with example usage: obj.is_onlyws() and returns: unknown