code: def _flags_str(self):
      for flagname, flagvalue in _flags:
          if self.__flags & flagvalue == flagvalue:
              yield flagname
  
imports: import _symtable
  from _symtable import USE, DEF_GLOBAL, DEF_NONLOCAL, DEF_LOCAL, DEF_PARAM, DEF_IMPORT, DEF_BOUND, DEF_ANNOT, SCOPE_OFF, SCOPE_MASK, FREE, LOCAL, GLOBAL_IMPLICIT, GLOBAL_EXPLICIT, CELL
  import weakref
label_desc: Use image node_id 4 for calling the Symbol obj's underlying member method code with example usage: obj._flags_str() without return types