NameError: name 'go' is not defined

最近在学习fbprophet时，按照安装步骤，搭建好环境之后，使用官方教程进行学习。在执行到下面这句时报错

fig = plot_plotly(m, forecast) # This returns a plotly Figure

具体报错为：

NameError Traceback (most recent call last)
<ipython-input-20-42c219cbc949> in <module>
----> 1 fig = plot_plotly(m, forecast) # This returns a plotly Figure

~/anaconda3/lib/python3.7/site-packages/fbprophet/plot.py in plot_plotly(m, fcst, uncertainty, plot_cap, trend, changepoints, changepoints_threshold, xlabel, ylabel, figsize)
566 data = []
567 # Add actual
--> 568 data.append(go.Scatter(
569 name='Actual',
570 x=m.history['ds'],

NameError: name 'go' is not defined

解决方法：

如果已经安装plotly，这里就不需要安装了。

pip install plotly
pip install ipywidgets

 

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