Issue installing cv2 in windows

python

asked 2018-04-12 00:56:46 -0600

vkpanchal
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updated 2018-04-12 01:14:59 -0600

berak
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I have followed all the steps given in this link.

In Installing OpenCV from prebuilt binaries, after step 8: Copy cv2.pyd to C:/Python27/lib/site-packeges and step 9:Open Python IDLE and type following codes in Python terminal I got below error... Error: RuntimeError: module compiled against API version 0xa but this version of numpy is 0x7

Traceback (most recent call last): File "<pyshell#0>", line 1, in <module> import cv2 ImportError: numpy.core.multiarray failed to import

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answered 2018-04-12 01:13:48 -0600

berak
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updated 2018-04-12 01:28:29 -0600

your numpy version is too old, it needs >= 1.11

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Thank you for this comment. I was having the same issue. It is not that easy though to install numpy with an old version of python (the version in the tutorial link does not have pip). I had to install version 2.7.15 and then uninstall numpy

python -m pip uninstall numpy

then install numpy (after placing the wheels file in the python27 directory)

python -m pip install --user numpy

finally works!

RSnSD ( 2018-12-31 21:45:20 -0600 )edit

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Asked: 2018-04-12 00:56:46 -0600

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Last updated: Apr 12 '18

Issue installing cv2 in windows edit