在 Mac 上运行 sugiyama.py 时出现 lxml 错误答案

【问题标题】：lxml error when running sugiyama.py on Mac在 Mac 上运行 sugiyama.py 时出现 lxml 错误
【发布时间】：2020-01-13 20:14:12
【问题描述】：

最近我想在 Mac 上尝试 flow-project，在安装了所有要求并尝试运行 python examples/sumo/sugiyama.py 后，我收到了如下所述的错误。你能帮我解决一下吗？

Traceback (most recent call last):
  File "examples/sumo/sugiyama.py", line 7, in <module>
    from flow.core.experiment import Experiment
  File "/Users/voanhkha/Desktop/flow/flow/core/experiment.py", line 9, in <module>
    from flow.core.util import emission_to_csv
  File "/Users/voanhkha/Desktop/flow/flow/core/util.py", line 6, in <module>
    from lxml import etree
ImportError: dlopen(/Users/voanhkha/anaconda3/envs/flow/lib/python3.6/site-packages/lxml/etree.cpython-36m-darwin.so, 2): no suitable image found.  Did find:
    /Users/voanhkha/anaconda3/envs/flow/lib/python3.6/site-packages/lxml/etree.cpython-36m-darwin.so: unknown file type, first eight bytes: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
    /Users/voanhkha/anaconda3/envs/flow/lib/python3.6/site-packages/lxml/etree.cpython-36m-darwin.so: unknown file type, first eight bytes: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00

【问题讨论】：

标签： python pip lxml conda flow-project

【解决方案1】：

我遇到了同样的问题并卸载了lxml 的conda 版本并使用pip 重新安装。

conda uninstall lxml
pip install lxml

【讨论】：