Numpy報錯:ImportError: numpy.core.multiarray failed

導(dǎo)入自定義的 python 模塊時

出現(xiàn)以下報錯：

ImportError: numpy.core.multiarray failed to import

    from .cv2 import *
ImportError: numpy.core.multiarray failed to import

原因

numpy 版本過低或者過高

解決

查看numpy 版本：

pip show numpy

我當(dāng)前環(huán)境中的 numpy 版本是：

Version: 1.16.5

升級：

pip install -U numpy

(tensorflow) Robin-macbook-pro:~ robin$ pip install -U numpy
Collecting numpy
  Downloading https://files.pythonhosted.org/packages/6a/9d/984f87a8d5b28b1d4afc042d8f436a76d6210fb582214f35a0ea1db3be66/numpy-1.19.5-cp36-cp36m-macosx_10_9_x86_64.whl (15.6MB)
     |████████████████████████████████| 15.6MB 1.3MB/s 
ERROR: tensorflow 1.13.1 has requirement protobuf>=3.6.1, but you'll have protobuf 3.6.0 which is incompatible.
Installing collected packages: numpy
  Found existing installation: numpy 1.16.5
    Uninstalling numpy-1.16.5:
      Successfully uninstalled numpy-1.16.5
Successfully installed numpy-1.19.5

結(jié)果還是不行，遂給 numpy 降級：pip install -U numpy==1.14.0（之前是 1.16.5）

不僅造成了不少沖突，而且沒效果：

(tensorflow) Robin-macbook-pro:~ robin$ pip install -U numpy==1.14.0
Collecting numpy==1.14.0
  Downloading https://files.pythonhosted.org/packages/33/c4/1ea5344793c159556110e42c94c9374cb08ce2a2727374cd467bd97f6579/numpy-1.14.0-cp36-cp36m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl (4.7MB)
     |████████████████████████████████| 4.7MB 230kB/s 
ERROR: tensorflow 1.13.1 has requirement protobuf>=3.6.1, but you'll have protobuf 3.6.0 which is incompatible.
ERROR: pmdarima 1.3.0 has requirement numpy>=1.16, but you'll have numpy 1.14.0 which is incompatible.
ERROR: phik 0.9.8 has requirement numpy>=1.15.4, but you'll have numpy 1.14.0 which is incompatible.
ERROR: librosa 0.8.0 has requirement numpy>=1.15.0, but you'll have numpy 1.14.0 which is incompatible.
ERROR: astropy 4.0 has requirement numpy>=1.16, but you'll have numpy 1.14.0 which is incompatible.
Installing collected packages: numpy
  Found existing installation: numpy 1.19.5
    Uninstalling numpy-1.19.5:
      Successfully uninstalled numpy-1.19.5
Successfully installed numpy-1.14.0

還是不行：

將numpy更到最新版本：pip install -U numpy，

同時更新 opencv 的版本試試，這是當(dāng)前版本：

本身就是最新版本，嘗試過沒用。

后來發(fā)現(xiàn)，問題在于

①import numpy as numpy

會報錯：

ImportError: numpy.core.multiarray failed to import

② import cv2

會報錯：

AttributeError: module 'logging' has no attribute 'Handler'

最后發(fā)現(xiàn)，最為離奇詭異的是，在不同的文件夾下面執(zhí)行相同的代碼（import numpy as np）是沒有任何問題的

（1）

/Users/robin/software/anaconda3/envs/tensorflow/bin/python3.6 /Users/robin/MLcode/Pycharm_Project/tensorflow/2021/0823_face_recognition_environment/test.py

Process finished with exit code 0

（2）

/Users/robin/software/anaconda3/envs/tensorflow/bin/python3.6 /Users/robin/MLcode/Pycharm_Project/tensorflow/2021/0823_face_recognition_environment/ui/test.py
Traceback (most recent call last):
  File "/Users/robin/MLcode/Pycharm_Project/tensorflow/2021/0823_face_recognition_environment/ui/test.py", line 1, in <module>
    import numpy as np
  File "/Users/robin/software/anaconda3/envs/tensorflow/lib/python3.6/site-packages/numpy/__init__.py", line 187, in <module>
    from .testing import Tester
  File "/Users/robin/software/anaconda3/envs/tensorflow/lib/python3.6/site-packages/numpy/testing/__init__.py", line 10, in <module>
    from unittest import TestCase
  File "/Users/robin/software/anaconda3/envs/tensorflow/lib/python3.6/unittest/__init__.py", line 59, in <module>
    from .case import (TestCase, FunctionTestCase, SkipTest, skip, skipIf,
  File "/Users/robin/software/anaconda3/envs/tensorflow/lib/python3.6/unittest/case.py", line 278, in <module>
    class _CapturingHandler(logging.Handler):
AttributeError: module 'logging' has no attribute 'Handler'

Process finished with exit code 1

最后我放棄治療了，新建了一個文件夾，將文件移動過去了，就當(dāng)做 Pycharm 抽風(fēng)了吧

總結(jié)

以上為個人經(jīng)驗，希望能給大家一個參考，也希望大家多多支持腳本之家。

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