Python 努比突然停止了对覆盆子的研究

完美工作前一周

numpy

在Raspbian GNU/Linux 10（buster）的Python 3.7下停止工作。仍然可以使用Python 2.7

~ $ python3
Python 3.7.3 (default, Apr  3 2019, 05:39:12)
[GCC 8.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/dist-packages/numpy/core/__init__.py", line 24, in <module>
    from . import multiarray
  File "/usr/local/lib/python3.7/dist-packages/numpy/core/multiarray.py", line 14, in <module>
    from . import overrides
  File "/usr/local/lib/python3.7/dist-packages/numpy/core/overrides.py", line 7, in <module>
    from numpy.core._multiarray_umath import (
ImportError: libf77blas.so.3: cannot open shared object file: No such file or directory

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python3.7/dist-packages/numpy/__init__.py", line 142, in <module>
    from . import core
  File "/usr/local/lib/python3.7/dist-packages/numpy/core/__init__.py", line 54, in <module>
    raise ImportError(msg)
ImportError:

IMPORTANT: PLEASE READ THIS FOR ADVICE ON HOW TO SOLVE THIS ISSUE!

Importing the numpy c-extensions failed.
- Try uninstalling and reinstalling numpy.
- If you have already done that, then:
  1. Check that you expected to use Python3.7 from "/usr/bin/python3",
     and that you have no directories in your PATH or PYTHONPATH that can
     interfere with the Python and numpy version "1.18.1" you're trying to use.
  2. If (1) looks fine, you can open a new issue at
     https://github.com/numpy/numpy/issues.  Please include details on:
     - how you installed Python
     - how you installed numpy
     - your operating system
     - whether or not you have multiple versions of Python installed
     - if you built from source, your compiler versions and ideally a build log

- If you're working with a numpy git repository, try `git clean -xdf`
  (removes all files not under version control) and rebuild numpy.

Note: this error has many possible causes, so please don't comment on
an existing issue about this - open a new one instead.

Original error was: libf77blas.so.3: cannot open shared object file: No such file or directory

不起作用

尝试首次使用

sudo pip3 uninstall-y setuptools

重新安装

setuptools

，返回：

Not uninstalling setuptools at /usr/lib/python3/dist-packages, outside environment /usr
Can't uninstall 'setuptools'. No files were found to uninstall.

Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
Requirement already satisfied: setuptools in /usr/lib/python3/dist-packages (40.8.0)

但当我尝试使用

sudo pip3 install setuptools

安装它时，返回：

Not uninstalling setuptools at /usr/lib/python3/dist-packages, outside environment /usr
Can't uninstall 'setuptools'. No files were found to uninstall.

Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
Requirement already satisfied: setuptools in /usr/lib/python3/dist-packages (40.8.0)

---

我很困惑，不知道该怎么办。

您是否检查了错误信息1中所述的路径

numpy

位于

/usr/local/lib/python3.7/dist-packages/

中，默认情况下，pip在其中安装软件包<代码>python3我正在使用的位于

/usr/bin/

中。但我不认为我了解如何检查它。你能再告诉我一点我该怎么做吗？我不确定，但是。。。tyr$PATH和check PATH/usr/local/lib在那里是numpy的（我遇到了默认情况下没有设置case/user/local的情况）。或者可能有帮助，安装python3numpy。

apt安装libatlas-base-dev

@hoefling，您好！似乎它是

numpy

的依赖项。问题解决了！丹科迪尔！