meerk40t: SVG CLI error: object of type 'LaserOperation' has no len()

Trying to use the command line options to parse and execute a job:

meerk40t -zaS 100 ~/circle.svg

I get the following error:

Traceback (most recent call last):
  File "/usr/local/bin/meerk40t", line 8, in <module>
    sys.exit(run())
  File "/usr/local/lib/python3.9/site-packages/meerk40t/main.py", line 322, in run
    device("plan validate\n")
  File "/usr/local/lib/python3.9/site-packages/meerk40t/kernel.py", line 136, in __call__
    return self._kernel.console(data)
  File "/usr/local/lib/python3.9/site-packages/meerk40t/kernel.py", line 2231, in console
    self._console_parse(command, channel=self._console_channel)
  File "/usr/local/lib/python3.9/site-packages/meerk40t/kernel.py", line 2316, in _console_parse
    data, remainder, input_type = command_funct(
  File "/usr/local/lib/python3.9/site-packages/meerk40t/kernel.py", line 1173, in inner
    returned = func(command=command, channel=channel, **ik, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/meerk40t/core/cutplanner.py", line 296, in plan
    self.execute()
  File "/usr/local/lib/python3.9/site-packages/meerk40t/core/cutplanner.py", line 400, in execute
    cmd()
  File "/usr/local/lib/python3.9/site-packages/meerk40t/core/cutplanner.py", line 469, in strip_rasters
    if len(op) == 1 and isinstance(op[0], SVGImage):
TypeError: object of type 'LaserOperation' has no len()

Here’s the SVG file:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:cc="http://creativecommons.org/ns#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:svg="http://www.w3.org/2000/svg"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
   width="60mm"
   height="60mm"
   viewBox="0 0 60 60"
   version="1.1"
   id="svg8"
   inkscape:version="1.0.2 (e86c8708, 2021-01-15)"
   sodipodi:docname="circle.svg">
  <defs
     id="defs2">
    <rect
       x="71.06275"
       y="119.13209"
       width="32.594937"
       height="12.257925"
       id="rect855" />
  </defs>
  <sodipodi:namedview
     id="base"
     pagecolor="#ffffff"
     bordercolor="#666666"
     borderopacity="1.0"
     inkscape:pageopacity="0.0"
     inkscape:pageshadow="2"
     inkscape:zoom="0.94972573"
     inkscape:cx="134.40268"
     inkscape:cy="43.665962"
     inkscape:document-units="mm"
     inkscape:current-layer="layer1"
     inkscape:document-rotation="0"
     showgrid="false"
     fit-margin-top="0"
     fit-margin-left="0"
     fit-margin-right="0"
     fit-margin-bottom="0"
     inkscape:window-width="1252"
     inkscape:window-height="943"
     inkscape:window-x="0"
     inkscape:window-y="25"
     inkscape:window-maximized="0" />
  <metadata
     id="metadata5">
    <rdf:RDF>
      <cc:Work
         rdf:about="">
        <dc:format>image/svg+xml</dc:format>
        <dc:type
           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
        <dc:title></dc:title>
      </cc:Work>
    </rdf:RDF>
  </metadata>
  <g
     inkscape:label="Layer 1"
     inkscape:groupmode="layer"
     id="layer1"
     transform="translate(-57.690468,-82.636902)">
    <circle
       style="fill:none;fill-rule:evenodd;stroke-width:0.264583;stroke:none;stroke-opacity:1"
       id="path10"
       cx="87.690468"
       cy="112.6369"
       r="30" />
    <text
       xml:space="preserve"
       id="text853"
       style="font-style:normal;font-weight:normal;font-size:10.58329999999999949px;line-height:1.25;font-family:sans-serif;white-space:pre;shape-inside:url(#rect855);fill:#0000ff;fill-opacity:1;stroke:none;text-align:center"
       x="13.492674"
       y="0"><tspan
         x="73.86251"
         y="128.78828"><tspan
           style="text-align:center;text-anchor:middle;fill:#0000ff;fill-opacity:1">TEST</tspan></tspan></text>
  </g>
</svg>