The plotly figure is empty in the code block "Basic data"

[ziphei]

I just explore the file examples/tutorial/detailed_workflow.ipynb.
when I execute the code block below,I found that the result figure is empty.
import plotly.graph_objects as go

fig = go.Figure(
data=[
go.Candlestick(
x=df.index.get_level_values("datetime"),
open=df["$open"],
high=df["$high"],
low=df["$low"],
close=df["$close"],
)
]
)
fig.show()

Description

Insert two lines of code, and these two lines of code are in italics.
import plotly.graph_objects as go
import plotly.io as pio
pio.renderers.default = "notebook"
fig = go.Figure(
data=[
go.Candlestick(
x=df.index.get_level_values("datetime"),
open=df["$open"],
high=df["$high"],
low=df["$low"],
close=df["$close"],
)
]
)
fig.show()

Motivation and Context

the result figure of the code is empty and user can see nothing

How Has This Been Tested?

• Pass the test by running: pytest qlib/tests/test_all_pipeline.py under upper directory of qlib.
• If you are adding a new feature, test on your own test scripts.

Screenshots of Test Results (if appropriate):

1. Pipeline test:
2. Your own tests:
   

Types of changes

• Fix bugs
• Add new feature
• Update documentation

[ziphei]

[SunsetWolf]

Hi, @ziphei
Please let the CI pass by pulling the main branch.

[ziphei]

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[ziphei]

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[Nguyendinhtuan17]

3ea30c0