PIP: "Cannot uninstall 'ipython'. It is a distutils installed project and thus we cannot accurately determine..."

You can upgrade ipython without uninstall the old version

sudo -H pip install --ignore-installed -U ipython

Just solved with:

sudo apt-get remove ipython

For Python 2:

pip install --upgrade --force-reinstall --no-cache-dir Spyder

For Python 3:

pip3 install --upgrade --force-reinstall --no-cache-dir Spyder

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