10000 Fix rcParams validator for dashes. · matplotlib/matplotlib@f5057f4 · GitHub
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Fix rcParams validator for dashes.
Valid dash-patterns are actually just lists of floats: ``` rcParams["lines.dashed_pattern"] = (1, None) plt.plot([1, 2], ls="--") ``` throws ``` TypeError: unsupported operand type(s) for +: 'float' and 'NoneType' ```
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‎lib/matplotlib/rcsetup.py

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@@ -1069,9 +1069,9 @@ def _convert_validator_spec(key, conv):
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"lines.solid_joinstyle": validate_joinstyle,
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"lines.dash_capstyle": validate_capstyle,
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"lines.solid_capstyle": validate_capstyle,
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"lines.dashed_pattern": validate_nseq_float(allow_none=True),
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"lines.dashdot_pattern": validate_nseq_float(allow_none=True),
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"lines.dotted_pattern": validate_nseq_float(allow_none=True),
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"lines.dashed_pattern": validate_floatlist,
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"lines.dashdot_pattern": validate_floatlist,
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"lines.dotted_pattern": validate_floatlist,
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"lines.scale_dashes": validate_bool,
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# marker props

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