By default, pip installs packages located in the Python Package Index (PyPI), but can also install from other indexes. Python-weka-wrapper3=1.0.19 gets installed and things work just fine. Pip is the default package manager for Python that most developers use to manage their Python global and virtual environments by installing, updating and uninstalling packages and their dependencies. To avoid this, you may want to try the ActiveState Platform, which is the only Python package management solution that automatically resolves dependencies, flags conflicts, and will even suggest a manual. I do have a Python 3 environment (Python 3.7.0 to be exact) where I However, pip doesn’t currently support dependency resolution, which can lead to corrupted environments. Though I don't use Colab, I've tried a notebook that I set up a while > If I do !pip3 install I get ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output. > Im currently using javabridge=1.0.19 in colab, and the same for windows javabridge-1.0.19-cp38-cp38-win_amd64.whl It is a big 118 MB file that will take some minutes. Downloading of the executable file will start shortly. Step 2: It will redirect to a new webpage, click on Start Download. On Debian/Ubuntu this is simply: sudo apt-get install weka libsvm-java Then install the Python package with pip: sudo pip install weka Usage. Follow the below steps to install Weka on Windows: Step 1: Visit this website using any web browser. > I tried both in Windows 10 and Colab, not sure how to downgrade the javabridge version to the one suggested here 1.0.11, please advice First install the Weka and LibSVM Java libraries. Im also trying to run a simple experiment using the examples provided, but Im getting a similar error "AttributeError: 'Instances' object has no attribute 'encode'"
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