Hi,

I am unable to save the file in *.gcode format. I get the following error.

===============

Traceback (most recent call last):
  File "unicorn.py", line 108, in <module>
    e.affect()
  File "inkex.py", line 283, in affect
    self.effect()
  File "unicorn.py", line 102, in effect
    parser.parse()
  File "unicorn/svg_parser.py", line 230, in parse
    self.svgWidth = self.getLength('width', 354) * 0.28222
TypeError: unsupported operand type(s) for *: 'NoneType' and 'float'

================

The above message was received when Inkscape was installed on linux (Ubuntu 18.4 bionic) using Wine.

I also tried to install inkscape on Ubuntu directly and faced same issues. The error message was this:

===========

Traceback (most recent call last):
  File "unicorn.py", line 23, in <module>
    from unicorn.context import GCodeContext
  File "/usr/share/inkscape/extensions/unicorn.py", line 23, in <module>
    from unicorn.context import GCodeContext
ImportError: No module named context


===========




Help would be appreciated. I have also tried using the replacement files as one of the post in forum suggests for similar issues. I am referring to this post: http://www.inkscapeforum.it/index.php?topic=2106.msg12652#msg12652


Regards,
Pankaj

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