import plotlygraph_objects as go from plotlysubplots import make_subplots fig = make_subplotsrows=1 cols=3 column_widths=05 025 025 # 添加第一个图 figadd_trace goScatterx=1 2 3 y=4 5 6 row=1 col=1

The error message indicates that the 'col_span' argument is not recognized by the 'add_trace()' method.

This is because 'col_span' is not a valid argument for 'add_trace()'. Instead, you can achieve the desired effect by specifying the 'secondary_y' parameter for the trace that you want to span multiple columns.

Here's an updated code snippet that should work:

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

fig = make_subplots(rows=1, cols=3, column_widths=[0.5, 0.25, 0.25])

# Adding first trace that spans two columns
fig.add_trace(
    go.Scatter(x=[1, 2, 3], y=[4, 5, 6]),
    row=1, col=1,
    secondary_y=True # Span two columns
)

# Adding second and third traces
fig.add_trace(
    go.Bar(x=[1, 2, 3], y=[2, 3, 4]),
    row=1, col=2
)

fig.add_trace(
    go.Pie(values=[1, 2, 3]),
    row=1, col=3
)

fig.show()

In this updated code, the secondary_y=True parameter is used to specify that the first trace should span two columns. This allows the second and third traces to be added to the second and third columns, respectively.