class_docstr: Alt(re1, re2, re3...) is an RE which matches either |re1| or
  |re2| or |re3|...
class_docstr_tok: ["Alt","(","re1",",","re2",",","re3","...",")","is","an","RE","which","matches","either","|re1|","or","|re2|","or","|re3|","..."]
code: def calc_str(self):
      return "Alt(%s)" % ",".join(map(str, self.re_list))
  
imports: from __future__ import absolute_import
  import types
  from .None import Errors
label_desc: Use image node_id 3 for calling the Alt obj's underlying member method code with example usage: obj.calc_str() and returns: unknown