fix line shape handling

[drexhage]

Description

I wanted to use the command line svg2tikz using this svg https://vega.github.io/editor/#/examples/vega-lite/stacked_bar_h (click on export as svg)

But when I ran the command it errored out as

...
    pathcode, options = self._handle_shape(node)
ValueError: too many values to unpack (expected 2)

Type of change

Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Has been tested with the same svg

Checklist:

• My code follows the style guidelines of this project (black/pylint)
• I have updated the changelog with the corresponding changes
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[ldevillez]

Hello @drexhage

Thanks for the contribution 👍

[ldevillez]

Hello @drexhage

Thanks for the contribution 👍