code: def __bool__(self):
      return bool(self.s)
  
imports: from __future__ import division, absolute_import, print_function
  import re
  import sys
  import platform
  from numpy.compat import unicode
  from numpy.core.overrides import set_module
  from .multiarray import dtype, array, ndarray
label_desc: Use image node_id 6 for calling the _Stream obj's underlying member method code with example usage: obj.__bool__() and returns: bool