导入错误：没有名为“Cython”的模块

Question

I'm trying do from Cython.Build import cythonize and I get the message ImportError: No module named 'Cython' , but I instaled the Cython with the comand pip install Cython . What's wrong?

Python 3.5 Cython 0.25.2 Windows 8

Answer 1

just directly install from pypi: pip install Cython
https://pypi.org/project/Cython/

Answer 2

使用 Pip3 命令：

pip3 install --upgrade cython

Answer 3

我用 conda 重新安装了 Cython 并安装了 Microsoft Visual C++ Build Tools，它工作正常。

Answer 4

您可以从以下网址下载最新的版本用Cython http://cython.org/或者您可以通过点击这个链接直接下载这里解压压缩包或zip文件，进入该目录，然后运行：

python setup.py install

Answer 5

I personally ran into this problem when I was trying to set up a new virtual environment. I simply installed Cython with python -m pip install Cython and then proceeded to install all the rest of my stuff I needed with python -m pip install -r requirements.txt . Once it was done, it actually uninstalled Cython for me... Why? Heck do I know... I ain't that kind of expert :<

Answer 6

it should be path problem. go to windows search for python idle right click idle - open file location where right click on python.exe - open file location if the module not in that location type cmd and press enter in path now install module with pip install cython it will work fine

Answer 7

The problem for me was the pip version. Running python -m pip install pip --upgrade solved the issue.