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I currently use a Mac. I recently created a new python virtual environment and installed jupyter. When I activate jupyter notebook within the virtual environment, it says it cannot find any python kernels. I have another virtual environment that also has jupyter installed and it works perfectly fine. Can anyone help? Also, I'm not sure where the Kernels are even located on my machine. Library/Jupyter only has a runtime folder.
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The kernel being used is in the upper right-hand corner of a Jupyter notebook (it defaults to Python 2 or Python 3 if you just use the base environments). You can choose the environment from the Kernel menu, as shown in the screenshot below. Before a kernel appears in drop-down list of kernels, you have to register it.
Before we get into the solutions, what is a kernel error? A kernel error occurs basically when you try opening a python 3 file in the wrong directory. The truth is Jupyter and Python are two different software entirely. So, a kernel error occurs when Jupyter fails to connect with a specific version of Python.
Use My Data: Just click the My Data (folder icon) in the left menu bar. Once it opens just click Back, to go up one level to /resources and you can find your Jupyter notebooks there (may need to scroll down a little). Click on the desired notebook (. ipynb) file and it will open up in Jupyter.
I need to do 2 things to get this to work:conda install -y ipykernelpython -m ipykernel install --user --name myenv
Kind of frustrating and I never see it mentioned much in the docs. Jupyter set up remains a pretty painful process in my opinion. This is from beginning to end, if it helps anyone:
conda create -n myenv python=3.7
conda activate myenv
conda install -y -c conda-forge jupyterlab
conda install -y -c anaconda jupyter
conda install -y ipykernel
python -m ipykernel install --user --name myenv
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