I re-ran the installation but still got the error message. Then As you said " Make sure you choose python 3.5 as your python version for the virtual environment", I installed python 3.5.5 and moved my python version 3.6 to the trash. This command will install OpenCV 3 on your macOS system with both Python 2.7 and Python 3 bindings via Homebew. To start the OpenCV 3 install process, just execute the following command: brew install opencv3 -with-contrib -with-python3 -HEAD. That way, you can make sure you are working in the exactly same setup with the rest of the class, which just might save you some headache stemming from a configuration unique to your machine. Installing OpenCV 3 with Python 3 bindings via Homebrew. ImportError Traceback (most recent call last) If you previously installed an earlier version of Python 3 (say, 3.5.1 or something), then you should either update it or simply un-install it and then install the newest version of Python 3. Unfortunately i got this error message:.
Python 3 install cv2 mac mac os x#
Modern Mac OS versions come with Python 2.7.x installed (or Python 2.6.1 if an older Mac OS X version), but many Python users may need to update Python in Mac OS to a newer version like Python 3.8.x or newer. I then tried to import cv2 with the command that you gave: import cv2 Python is a popular programming language that is widely used by beginners and longtime developers alike. I followed your installation step by step and didn't have any error message. I'm working with macOS 10.13.4 Thank you very much for the very clear explanation for the installation which is also by far the easiest that I found so far.
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