Plotly, error in graph doens't work

When i plot this graph, plotly ignore the array and arrayminus in ErrorY :

`import plotly.plotly as py
from plotly.graph_objs import *

sequencial = Scatter( #sequencial
x=[250, 500, 1000,1500,2000,3000,4000],
y=[0.117,0.823,6.855,22.650,54.352,179.004,324.299],
name=‘Sequencial’,
error_y=ErrorY(
symmetric=False,
type=‘percent’,
color=‘rgb(255, 0, 0)’,
array=[0.033, 0.047, 0.04,0.106,4.06,0.615,0.46],
arrayminus=[0.015,0.024,0.041,0.103,1.151,0.736,0.485],
visible=True
),
visible=True,
marker=Marker(
color=‘rgb(0, 0, 0)’)
)

thread3 = Scatter( #com 3 thread s
x=[250,500,1000,1500,2000,3000,4000],
y=[0.107,0.644,5.178,17.079,39.038,127.821,238.406],
name =“3 threads”,
error_y=ErrorY(
symmetric=False,
type=‘percent’,
color = ‘rgb(255, 0, 0)’,
array=[0.021,0.002,0.06,0.157,0.409,1.103,27.751],
arrayminus=[0.003,0.018,0.094,0.114,0.135,0.437,9.632],
visible=True
),
visible=True,
xaxis=‘x’,
yaxis=‘y’
)

thread4 = Scatter( # com 4 threads
x=[250,500,1000,1500,2000,3000,4000],
y=[0.131,0.717,4.961,14.538,31.486,101.212,180.395],
name=“4 threads”,
error_y=ErrorY(
symmetric=False,
type=‘percent’,
color = ‘rgb(255,0,0)’,
array=[0.033,0.041,0.278,0.296,1.110,1.805,7.617],
arrayminus=[0.006,0.028,0.133,0.239,0.293,1.205,2.445],
visible=True
),
visible=True,
xaxis=‘x’,
yaxis=‘y’
)

layout = Layout(
showlegend=True,
autosize=False,
width=500,
height=500,
xaxis=XAxis(
title=‘Ordem’,
range=[-0.16606498194945848, 2.1660649819494586],
type=‘linear’,
autorange=True
),
yaxis=YAxis(
title=‘Tempo’,
range=[-1.7222222222222223, 12.722222222222221],
type=‘linear’,
autorange=True
),
margin=Margin(
l=65,
r=50,
b=65,
t=65
),
hovermode=‘x’,
dragmode=‘zoom’
)

data = Data([sequencial, thread3,thread4])
fig = Figure(data=data, layout=layout)
url = py.plot(fig)`

https://plot.ly/~ximali/76/tempo-vs-ordem/

Anyone know why?