backend_svg fails with dashed line style #17290

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nschloe opened this issue May 1, 2020 · 1 comment

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nschloe commented May 1, 2020

When using a dashed line style, the SVG backend fails. MWE:

import matplotlib.pyplot as plt

plt.style.use({"axes.grid": True, "grid.linestyle": (10, 10)})

x = [1, 2, 3]
y = [1, 2, 3]
plt.plot(x, y)
# plt.show()  # works fine
plt.savefig("out.svg")

[...]
  File "~/.local/lib/python3.8/site-packages/matplotlib/backends/backend_svg.py", line 435, in _get_style_dict
    attrib['stroke-dashoffset'] = short_float_fmt(float(offset))
TypeError: float() argument must be a string or a number, not 'NoneType'

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anntzer commented May 1, 2020

This was fixed in master by #15828 (which will be in 3.3).

anntzer closed this as completed

anntzer added the backend: svg label

QuLogic added this to the v3.3.0 milestone

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