Starting download of /gnu/store/5vyhlgd6j81k1n89plgfgp07spjb4qcc-jupyter_core-4.7.1.tar.gz
From https://files.pythonhosted.org/packages/source/j/jupyter_core/jupyter_core-4.7.1.tar.gz...
following redirection to `https://files.pythonhosted.org/packages/24/9a/0ca76ccc95eeb3ee376c671e81bda2c61d148c7627443004d1ba0d085b80/jupyter_core-4.7.1.tar.gz'...

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