IndexError: string index out of range

[ataylor32]

I got some unusual HTML from an HTML email and it caused html2text to raise an exception.

html2text 2018.1.9
Python 3.5.2

>>> import html2text
>>> test = '<i></i>‪&lrm;'
>>> html2text.html2text(test)
Traceback (most recent call last):
  File "<console>", line 1, in <module>
  File "/var/www/example.com/venv-example/lib/python3.5/site-packages/html2text/__init__.py", line 937, in html2text
    return h.handle(html)
  File "/var/www/example.com/venv-example/lib/python3.5/site-packages/html2text/__init__.py", line 149, in handle
    self.feed(data)
  File "/var/www/example.com/venv-example/lib/python3.5/site-packages/html2text/__init__.py", line 146, in feed
    HTMLParser.HTMLParser.feed(self, data)
  File "/usr/lib/python3.5/html/parser.py", line 111, in feed
    self.goahead(0)
  File "/usr/lib/python3.5/html/parser.py", line 219, in goahead
    self.handle_entityref(name)
  File "/var/www/example.com/venv-example/lib/python3.5/site-packages/html2text/__init__.py", line 189, in handle_entityref
    self.handle_data(self.entityref(c), True)
  File "/var/www/example.com/venv-example/lib/python3.5/site-packages/html2text/__init__.py", line 802, in handle_data
    and re.match(r'[^\s.!?]', data[0])
IndexError: string index out of range