code: def column(self):
      return self._start_pos[1]
  
imports: from parso.python import tree
  from jedi._compatibility import force_unicode
  from jedi import debug
  from jedi.evaluate.compiled import CompiledObject
  from jedi.evaluate.helpers import is_string
label_desc: Use image node_id 3 for calling the Error obj's underlying member method code with example usage: obj.column() and returns: self