class_docstr: A publisher that attaches previous publications as an attachment
  
  By default, this publisher needs to be run after the Summary publisher, as it depends on
  the magic-magic _previous_publication field.
class_docstr_tok: ["A","publisher","that","attaches","previous","publications","as","an","attachment","By","default",",","this","publisher","needs","to","be","run","after","the","Summary","publisher",",","as","it","depends","on","the","magic-magic","_previous_publication","field","."]
code: def _color():
      return BABU
  
imports: import calendar
  import cgi
  import json
  import urllib.request, urllib.parse, urllib.error
  from streamalert.shared.publisher import AlertPublisher, Register
  from streamalert.shared.description import RuleDescriptionParser
label_desc: Use image node_id 2 for calling the AttachPublication obj's underlying member method code with example usage: obj._color() and returns: BABU