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Plotly.io 沒有看到 psutil package,即使它已安裝

[英]Plotly.io doesn't see the psutil package even though it's installed

我正在嘗試執行以下代碼:

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import matplotlib
%matplotlib inline
import seaborn as sns

import plotly.graph_objects as go

from plotly.offline import init_notebook_mode, iplot
init_notebook_mode(connected=True)

from sklearn.preprocessing import QuantileTransformer

import os

if not os.path.exists("images"):
    os.mkdir("images")

# import orca


import plotly.io as pio
pio.orca.config.executable = '/path/to/orca'
pio.orca.ensure_server()

import psutil

我得到:

ValueError                                Traceback (most recent call last)
<ipython-input-89-6e2b31e44303> in <module>
     25 import plotly.io as pio
     26 pio.orca.config.executable = '/path/to/orca'
---> 27 pio.orca.ensure_server()
     28 
     29 import psutil

~/Library/Python/3.7/lib/python/site-packages/plotly/io/_orca.py in ensure_server()
   1368 Install using conda:
   1369     $ conda install psutil
-> 1370 """
   1371         )
   1372 

ValueError: Image generation requires the psutil package.

Install using pip:
    $ pip install psutil

Install using conda:
    $ conda install psutil

package 已安裝,我重新安裝它以防萬一,但一直出現錯誤。

最終目標是能夠使用fig.write_image("images/fig1.png")自動保護 plotly 生成的圖像

如果要將 plotly 圖保存為圖像。

對我有用的是安裝kaleido ,然后使用萬花筒引擎,例如

pip 安裝 Kaleido plotly.io.write_image(fig, 'fig1.jpeg', format='jpeg',validate=False, engine='kaleido')

請參閱以下問題/答案: 如何將 plotly express plot 保存到 html 或 ZA81259CEF8E959C6294EDF1 圖像文件中?

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