Python 使用Plotly子图组合重叠图和单个图

我希望在两个子地块位置放置3个地块。第一个位置（行=1，列=1）带有

trace\u choropleth&trace\u scattergeo

，第二个位置（行=1，列=2）带有

trace\u条形图。运行以下代码时收到的错误是：

ValueError: 
The 'specs' argument to make_subplots must be a 2D list of dictionaries with dimensions (1 x 2).
    Received value of type <class 'list'>: [[{'type': 'choropleth'}, {'type': 'scattergeo'}], {'type': 'bar'}]

marker = dict(
    colorscale = ['#FF0000','#FFFF00','#008000'],
    cmin = -1,
    cmax = 1)

fig = make_subplots(
    rows = 1, cols = 2,
    specs = [[{'type':'choropleth'},{'type': 'scattergeo'}], {'type':'bar'}])
trace_choropleth = go.Choropleth(
                locations = df_grouped_week['Origin_State'], 
                z = df_grouped_week['YoY'],
                hovertemplate = df_grouped_week['text'],
                zmin = -1,
                zmax = 1,
                locationmode = 'USA-states',
                colorscale = 'rdylgn',
                colorbar_title = "Year over Year Growth"
                )
trace_scattergeo = go.Scattergeo(
                lon = df['Longitude_dest'],
                lat = df['Latitude_dest'],
                hovertemplate = df['text'],
                mode = 'markers',
                marker_color = df['Type'],
                marker_size = df['Conversions']
                )
trace_barchart = go.Bar(
                x = df['City'][0:30].values,
                y = df['Conversions'][0:30].values,
                marker = marker,
                hovertemplate = df['text'][0:30].values,
                marker_color = df['Type'][0:30].values
                )
data = [trace_choropleth, trace_scattergeo]
fig.add_trace(data, row = 1, col = 1)
fig.add_trace(trace_barchart, row = 1, col = 2)        
iplot(fig)