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Bug in error bars of type 'percent' - error always equal 10%

I created a plot with this code

from plotly.subplots import make_subplots
import plotly.graph_objects as go

fig2 = make_subplots(rows=1, cols=1)

fig2.add_trace(
    go.Scatter(x=[1,2,3], y=[1,2,1], mode='markers', error_y=dict(type='percent', array=[500,10,50], visible=True)),    row=1, col=1)

fig2.show()

I expected the error bars to be 500%, 10% and 50% of the given values. Instead they are all 10% of the values. In fact it doesn’t matter what numbers I put in array - I always get error bars of 10%. The behaviour is as intended when instead of array one uses value, but then one can use only a float, not an array of numbers. One can omit this problem by using instead of type='percent' type='data' and changing accordingly the error array to absolute values, not relative ones. Anyway, I guess this is some kind of a bug? Or am I missing something or doing something wrong?