python之pip 在安装 vpnotebook 时出错

Vpython 版本无法从他们的网站上获得，但根据 https://groups.google.com/forum/#!topic/vpython-users/AmIZF2v4Wkc ，“pip install vpython”应该适用于任何版本的 Python。 我在 Windows 命令提示符中输入了“pip install vpython”。下载几分钟后，pip 给了我以下错误:

  Running setup.py install for vpnotebook ... error 
    Complete output from command c:\users\zachary\appdata\local\programs\python\python36-32\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\Zachary\\AppData\\Local\\Temp\\pip-build-dx_wvbg0\\vpnotebook\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record C:\Users\Zachary\AppData\Local\Temp\pip-3q5u2e2l-record\install-record.txt --single-version-externally-managed --compile: 
    ImportError install_kernel_spec 
    c:\users\zachary\appdata\local\programs\python\python36-32\lib\site-packages\setuptools\dist.py:331: UserWarning: Normalizing '0.1.03' to '0.1.3' 
      normalized_version, 
    running install 
    Installing Python module... 
    running build 
    running build_py 
    creating build 
    creating build\lib 
    creating build\lib\vpnotebook 
    copying vpnotebook\__init__.py -> build\lib\vpnotebook 
    creating build\lib\vpnotebook\data 
    copying vpnotebook\data\kernel.json -> build\lib\vpnotebook\data 
    running install_lib 
    creating c:\users\zachary\appdata\local\programs\python\python36-32\Lib\site-packages\vpnotebook 
    creating c:\users\zachary\appdata\local\programs\python\python36-32\Lib\site-packages\vpnotebook\data 
    copying build\lib\vpnotebook\data\kernel.json -> c:\users\zachary\appdata\local\programs\python\python36-32\Lib\site-packages\vpnotebook\data 
    copying build\lib\vpnotebook\__init__.py -> c:\users\zachary\appdata\local\programs\python\python36-32\Lib\site-packages\vpnotebook 
    byte-compiling c:\users\zachary\appdata\local\programs\python\python36-32\Lib\site-packages\vpnotebook\__init__.py to __init__.cpython-36.pyc 
    running install_egg_info 
    running egg_info 
    writing vpnotebook.egg-info\PKG-INFO 
    writing dependency_links to vpnotebook.egg-info\dependency_links.txt 
    writing top-level names to vpnotebook.egg-info\top_level.txt 
    warning: manifest_maker: standard file '-c' not found 
 
    reading manifest file 'vpnotebook.egg-info\SOURCES.txt' 
    writing manifest file 'vpnotebook.egg-info\SOURCES.txt' 
    Copying vpnotebook.egg-info to c:\users\zachary\appdata\local\programs\python\python36-32\Lib\site-packages\vpnotebook-0.1.3-py3.6.egg-info 
    running install_scripts 
    writing list of installed files to 'C:\Users\Zachary\AppData\Local\Temp\pip-3q5u2e2l-record\install-record.txt' 
    Installing custom kernel ... 
    Traceback (most recent call last): 
      File "<string>", line 1, in <module> 
      File "C:\Users\Zachary\AppData\Local\Temp\pip-build-dx_wvbg0\vpnotebook\setup.py", line 30, in <module> 
        package_data={'vpnotebook': ['data/kernel.json']}, 
      File "c:\users\zachary\appdata\local\programs\python\python36-32\lib\distutils\core.py", line 148, in setup 
        dist.run_commands() 
      File "c:\users\zachary\appdata\local\programs\python\python36-32\lib\distutils\dist.py", line 955, in run_commands 
        self.run_command(cmd) 
      File "c:\users\zachary\appdata\local\programs\python\python36-32\lib\distutils\dist.py", line 974, in run_command 
        cmd_obj.run() 
      File "C:\Users\Zachary\AppData\Local\Temp\pip-build-dx_wvbg0\vpnotebook\vpnotebook\__init__.py", line 72, in run 
        run_kernel_install(False) 
      File "C:\Users\Zachary\AppData\Local\Temp\pip-build-dx_wvbg0\vpnotebook\vpnotebook\__init__.py", line 63, in run_kernel_install 
        install_kernel_spec(source_dir, kernel_name='vpython', user=user) 
    NameError: free variable 'install_kernel_spec' referenced before assignment in enclosing scope 
 
    ---------------------------------------- 
Command "c:\users\zachary\appdata\local\programs\python\python36-32\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\Zachary\\AppData\\Local\\Temp\\pip-build-dx_wvbg0\\vpnotebook\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record C:\Users\Zachary\AppData\Local\Temp\pip-3q5u2e2l-record\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in C:\Users\Zachary\AppData\Local\Temp\pip-build-dx_wvbg0\vpnotebook\ 

请您参考如下方法:

立即修复是在安装 vpnotebook 之前安装 jupyter:

pip install jupyter 

感谢您报告此事；在未来的问题中，在指定的位置@user1114907 或主要的 github repo 上发布:https://github.com/BruceSherwood/vpython-jupyter/issues