conda env create -f conda.yml出错

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1. 导入别人实验项目出错：conda env create -f conda.yml出错

• 错误原因

ing pycocotools (from speaksee==0.0.1->-r /home/jhon/644g/image_captioning/show-control-and-tell/condaenv.dwl2dqas.requirements.txt (line 15))
  Downloading http://pypi.doubanio.com/packages/96/84/9a07b1095fd8555ba3f3d519517c8743c2554a245f9476e5e39869f948d2/pycocotools-2.0.0.tar.gz (1.5MB)
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-install-xztqbd4k/pycocotools/setup.py", line 2, in <module>
        from Cython.Build import cythonize
    ModuleNotFoundError: No module named 'Cython'
    
    ----------------------------------------

Pip subprocess error:
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-xztqbd4k/pycocotools/

• 这是因为在安装某一个包是需要别的包，这里是cython，没有该包，导致出错；

2. 方法

打开*.yml文件
在pip上行加入- cython
保存，重新创建