docstr: Return the number of the first line in the
  block for the table.
code: def get_lineno(self):
      """Return the number of the first line in the
      block for the table.
      """
      return self._table.lineno
  
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 6 for calling the SymbolTable obj's underlying member method code with example usage: obj.get_lineno() and returns: self