matplotlib__matplotlib-22711

[Bug]: cannot give init value for RangeSlider widget

Verdict: the issue points to the file or function that was changed (Tier B).

When I call `RangeSlider.set_val([0.0,0.1])` It changes only the blue poly object and the range value on the right side of the slider not the dot:

The text points to the exact place to change: “When I call `RangeSlider.set_val([0.0,0.1])` It changes only the blue poly object and the range value on the right side of the slider not the dot:”

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