while calling dottoxml file
i am getting below error:
  File "../tools/dottoxml/dottoxml.py", line 336, in <module>
    main()
  File "../tools/dottoxml/dottoxml.py", line 236, in main
    l = unicode(content[idx], options.InputEncoding)
NameError: name 'unicode' is not defined
i am using python 3.7
can someone please help