docstr: Write the XML job description to a file.
docstr_tok: ["Write","the","XML","job","description","to","a","file","."]
code: def write(self, filename):
      """Write the XML job description to a file."""
      txt = self.tostring()
      with open(filename, "w") as f:
          f.write(txt)
  
imports: import os
  import re
  import uuid
  from xml.etree import ElementTree
  from traitlets import Bool, Enum, Instance, Integer, List, Unicode
  from traitlets.config.configurable import Configurable
label_desc: Use image node_id 5 for calling the WinHPCJob obj's underlying member method code with example usage: obj.write(filename) without return types