gradio parse exception trying to do text to svg

[pseudotensor]

            ^
ParseSyntaxException: Expected {accent | symbol | function | operatorname | group | frac | dfrac | binom | genfrac | overset | underset | sqrt | overline}, found '_'  (at char 29), (line:1, col:30)
Traceback (most recent call last):
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/gradio/routes.py", line 401, in run_predict
    output = await app.get_blocks().process_api(
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/gradio/blocks.py", line 1305, in process_api
    data = self.postprocess_data(fn_index, result["prediction"], state)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/gradio/blocks.py", line 1239, in postprocess_data
    prediction_value = block.postprocess(prediction_value)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/gradio/components.py", line 4625, in postprocess
    self._postprocess_chat_messages(message_pair[0]),
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/gradio/components.py", line 4599, in _postprocess_chat_messages
    return self.md.renderInline(chat_message)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/markdown_it/main.py", line 299, in renderInline
    return self.renderer.render(self.parseInline(src, env), self.options, env)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/markdown_it/renderer.py", line 87, in render
    result += self.renderInline(token.children, options, env)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/markdown_it/renderer.py", line 108, in renderInline
    result += self.rules[token.type](tokens, i, options, env)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/mdit_py_plugins/dollarmath/index.py", line 70, in render_math_inline
    content = _renderer(str(tokens[idx].content).strip(), {"display_mode": False})
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/gradio/utils.py", line 904, in tex2svg
    fig.savefig(
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/figure.py", line 3343, in savefig
    self.canvas.print_figure(fname, **kwargs)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/backend_bases.py", line 2342, in print_figure
    self.figure.draw(renderer)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/artist.py", line 95, in draw_wrapper
    result = draw(artist, renderer, *args, **kwargs)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/artist.py", line 72, in draw_wrapper
    return draw(artist, renderer)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/figure.py", line 3140, in draw
    mimage._draw_list_compositing_images(
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/image.py", line 131, in _draw_list_compositing_images
    a.draw(renderer)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/artist.py", line 72, in draw_wrapper
    return draw(artist, renderer)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/text.py", line 752, in draw
    bbox, info, descent = self._get_layout(renderer)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/text.py", line 386, in _get_layout
    w, h, d = _get_text_metrics_with_cache(
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/text.py", line 97, in _get_text_metrics_with_cache
    return _get_text_metrics_with_cache_impl(
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/text.py", line 105, in _get_text_metrics_with_cache_impl
    return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/backends/backend_svg.py", line 1317, in get_text_width_height_descent
    return self._text2path.get_text_width_height_descent(s, prop, ismath)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/textpath.py", line 60, in get_text_width_height_descent
    self.mathtext_parser.parse(s, 72, prop)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/mathtext.py", line 226, in parse
    return self._parse_cached(s, dpi, prop)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/mathtext.py", line 247, in _parse_cached
    box = self._parser.parse(s, fontset, fontsize, dpi)
  File "/home/user/.pyenv/versions/3.8.9/lib/python3.8/site-packages/matplotlib/_mathtext.py", line 1995, in parse
    raise ValueError("\n" + ParseException.explain(err, 0)) from None
ValueError: 
mysqli->error, E_USER_ERROR.__FILE__." on line ".__LINE__);<br>                        <br>
                             ^
ParseSyntaxException: Expected {accent | symbol | function | operatorname | group | frac | dfrac | binom | genfrac | overset | underset | sqrt | overline}, found '_'  (at char 29), (line:1, col:30)

[pseudotensor]

fixed with newer gradio