Does it work with python3.6? about tagbar-markdown.vim HOT 2 OPEN

$ git diff bin/markdown2ctags.py
diff --git a/bin/markdown2ctags.py b/bin/markdown2ctags.py
index 71609db..6076679 100755
--- a/bin/markdown2ctags.py
+++ b/bin/markdown2ctags.py
@@ -103,13 +103,16 @@ settextSubjectRe = re.compile(r'^[^\s]+.*$')
 def findParent(previousSections, level):
     parents = filter(lambda s: s is not None,
                      reversed(previousSections[:level]))
-    return parents[0] if parents else None
+    l = list(parents)
+    if l:
+        return l[0]
+    else:
+        return None
 
 
 def findSections(filename, lines):
     sections = []
     inCodeBlock = False
-
     # Initialize previous sections to cope with documents that don't start
     # at the top-most heading type.
     previousSections = [None] * 7
@@ -214,7 +217,7 @@ def main():
         output = open(options.tagfile, 'wb')
 
     for filename in args:
-        f = open(filename, 'rb')
+        f = open(filename, 'r')
         lines = f.read().splitlines()
         f.close()
         sections = findSections(filename, lines)

○ → git diff ftplugin/markdown.vim
diff --git a/ftplugin/markdown.vim b/ftplugin/markdown.vim
index 581c51a..0b9f1f6 100644
--- a/ftplugin/markdown.vim
+++ b/ftplugin/markdown.vim
@@ -18,7 +18,7 @@ endif
 let g:tagbar_type_markdown = {
             \'ctagstype': 'markdown',
             \ 'ctagsbin' : ctags_bin,
-            \ 'ctagsargs' : '-f - --sort=yes',
+            \ 'ctagsargs' : '-f - --sort=no',
             \ 'kinds' : [
             \     's:sections',
             \     'i:images',

$ /home/chriad/.config/nvim/plugged/tagbar-markdown.vim/bin/markdown2ctags.py --sort=yes -f - ./README.md > tags
Traceback (most recent call last):
  File "/home/chriad/.config/nvim/plugged/tagbar-markdown.vim/bin/markdown2ctags.py", line 233, in <module>
    main()
  File "/home/chriad/.config/nvim/plugged/tagbar-markdown.vim/bin/markdown2ctags.py", line 225, in main
    genTagsFile(output, sectionsToTags(sections), sort=options.sort)
  File "/home/chriad/.config/nvim/plugged/tagbar-markdown.vim/bin/markdown2ctags.py", line 179, in genTagsFile
    tags = sorted(tags)
TypeError: '<' not supported between instances of 'Tag' and 'Tag'