ModuleNotFoundError:没有名为"pandas"的模块-Jupyter [英] ModuleNotFoundError: No module named 'pandas' - Jupyter

问题描述

我经历过各种Stack Overflow问题，但没有答案为我解决了这个问题. 我可能没有看到一条东西".

I have been through the various Stack Overflow questions and non of the answers resolve the issue for me. It is likely a path 'thing' that I am not seeing.

已经安装了pandas，它说在那里，但是numpy将导入而pandas不会导入.

Have installed pandas, it says its there, but numpy will import and pandas won't.

有什么想法吗?我想念什么?

Any ideas? What am I missing?

如果我输入:

!pip3 install pandas

我得到:

Requirement already satisfied: pandas in c:\users\ron mcmillan\appdata\local\programs\python\python38\lib\site-packages (1.0.3)
Requirement already satisfied: pytz>=2017.2 in c:\users\ron mcmillan\appdata\local\programs\python\python38\lib\site-packages (from pandas) (2020.1)
Requirement already satisfied: numpy>=1.13.3 in c:\users\ron mcmillan\appdata\local\programs\python\python38\lib\site-packages (from pandas) (1.18.4)
Requirement already satisfied: python-dateutil>=2.6.1 in c:\users\ron mcmillan\appdata\local\programs\python\python38\lib\site-packages (from pandas) (2.8.1)
Requirement already satisfied: six>=1.5 in c:\users\ron mcmillan\appdata\local\programs\python\python38\lib\site-packages (from python-dateutil>=2.6.1->pandas) (1.14.0)

推荐答案

好的，我要给出一个全新的，有根据的答案.

Okay, I'm going to give a completely new, opinionated, answer.

您似乎至少已经安装了两个Python安装程序，一个安装在..python\python38中，另一个安装在..\python\python38-32中. pandas安装在第一个上，而jupyter运行在第二个上.您每个人都有一个pip版本，以及Microsoft\WindowsApps中的第三个版本.

It looks like you've got at least two installations of Python, one in ..python\python38, and one in ..\python\python38-32. pandas is installed on the first, but jupyter is running on the second. You've got a version of pip for each, plus a third one in Microsoft\WindowsApps.

这发生.

在Windows上，仅卸载计算机上所有版本的Python可能是安全的.然后下载适用于Windows的Miniconda .像pip一样，Miniconda是Python的软件包管理器；但是与pip不同，它还可以安装非Python文件，这使各种事情变得更加容易.它被称为"Miniconda"以区别于"Anaconda"，后者是conda加上数据科学家可能需要的几乎所有软件包-Miniconda只是为您提供了软件包管理器conda，然后您可以选择安装您要安装的软件包真正想要的.

On Windows, you are probably safe to just uninstall all the versions of Python on your computer. Then download Miniconda for Windows. Miniconda is, like pip, a package manager for Python; but unlike pip, is able to also install non-Python files, which makes all sorts of things much easier. It's called 'Miniconda' to distinguish it from 'Anaconda', which is conda plus almost all the packages a data scientist might need -- Miniconda just gives you the package manager conda, and you can then choose to install what you actually want.

一旦安装了conda，请创建一个新的conda环境(conda create -n MYNEWENV-如果您有20分钟的时间，则

Once conda is installed, create a new conda environment (conda create -n MYNEWENV -- if you have twenty minutes then read the quickstart explanation) and then try to download everything with conda install...

您可以指定从哪个渠道"下载软件包，但可能不需要.只需尝试conda install jupyter numpy pandas;或在 Conda云中查找所需内容.

You can specify which 'channel' you download packages from, but you probably don't need to. Just try conda install jupyter numpy pandas; or search the Conda cloud for the specifics of whatever you want.

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