问题
你在运行python代码的时候,是否遇到过下面这种错误
ImportError: Unable to import required dependencies:
numpy:
IMPORTANT: PLEASE READ THIS FOR ADVICE ON HOW TO SOLVE THIS ISSUE!
Importing the numpy C-extensions failed. This error can happen for
many reasons, often due to issues with your setup or how NumPy was
installed.
We have compiled some common reasons and troubleshooting tips at:
https://numpy.org/devdocs/user/troubleshooting-importerror.html
Please note and check the following:
* The Python version is: Python3.7 from "C:\Users\MSI-NB\.conda\envs\python37\python.exe"
* The NumPy version is: "1.21.6"
and make sure that they are the versions you expect.
Please carefully study the documentation linked above for further help.
Original error was: DLL load failed: 找不到指定的模块。
如上信息所示,我的python版本是3.7,Numpy版本是1.21.6,他们的版本不匹配,导致运行报错。
解决方法
1.通过安装对应的版本号,python3.7对应的是numpy1.19.5,直接按照对应版本即可。
如果你使用的pip,只需要执行
pip uninstall numpy
pip install numpy==1.19.5
如果你使用的是conda,需要执行
conda uninstall numpy
conda install numpy==1.19.5
那么如何知道他们的对应关系呢,这个网站你一定要收藏
https://www.lfd.uci.edu/~gohlke/pythonlibs/
在这里,你能够看到所有python库和python版本的对应关系。以pandas为例,如下图所示,cp后面指的就是python版本,cp39就是python3.9,那么它对应的pandas版本就是pandas==1.3.5
如果依然无法解决你的问题,可以尝试安装numpy-base
conda install -c anaconda numpy-base
如果依旧没有解决,你可以看下你的pip下和conda下是不是都有Numpy,通过执行pip list 和conda list,如果是的话,需要将pip种的删除,pip uninstall numpy.
不过的执行后,又报了另外一个错误,文章来源:https://www.toymoban.com/news/detail-722399.html
~\.conda\envs\python37\lib\site-packages\pandas\_typing.py in <module>
82 # array-like
83
---> 84 ArrayLike = Union["ExtensionArray", np.ndarray]
85 AnyArrayLike = Union[ArrayLike, "Index", "Series"]
86
AttributeError: module 'numpy' has no attribute 'ndarray'
这个报错是因为numpy和panda版本不匹配导致的,需要卸载后重新安装,注意,需要先安装numpy,再安装pandas文章来源地址https://www.toymoban.com/news/detail-722399.html
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