rst2beamer problem

I can no longer compile some documents with rst2beamer.
(They compiled a year ago.)
Did something change with --use-latex-citations?
(I'm not setting it.)
Suggested fix?

Alan Isaac

Traceback (most recent call last):
   File "C:\Program Files\Python38\Scripts\rst2beamer-script.py", line 11, in <module>
     load_entry_point('rst2beamer3k==0.9.1', 'console_scripts', 'rst2beamer')()
   File "C:\Program Files\Python38\lib\site-packages\rst2beamer.py", line 1304, in main
     publish_cmdline(
   File "C:\Program Files\Python38\lib\site-packages\docutils-0.20b0.dev0-py3.8.egg\docutils\core.py", line 391, in publish_cmdline
     output = pub.publish(
   File "C:\Program Files\Python38\lib\site-packages\docutils-0.20b0.dev0-py3.8.egg\docutils\core.py", line 227, in publish
     output = self.writer.write(self.document, self.destination)
   File "C:\Program Files\Python38\lib\site-packages\docutils-0.20b0.dev0-py3.8.egg\docutils\writers\__init__.py", line 76, in write
     self.translate()
   File "C:\Program Files\Python38\lib\site-packages\docutils-0.20b0.dev0-py3.8.egg\docutils\writers\latex2e\__init__.py", line 267, in translate
     self.document.walkabout(visitor)
   File "C:\Program Files\Python38\lib\site-packages\docutils-0.20b0.dev0-py3.8.egg\docutils\nodes.py", line 199, in walkabout
     visitor.dispatch_departure(self)
   File "C:\Program Files\Python38\lib\site-packages\docutils-0.20b0.dev0-py3.8.egg\docutils\nodes.py", line 2019, in dispatch_departure
     return method(node)
   File "C:\Program Files\Python38\lib\site-packages\rst2beamer.py", line 930, in depart_document
     if self._use_latex_citations and len(self._bibitems) > 0:
AttributeError: 'BeamerTranslator' object has no attribute '_use_latex_citations'