Starting download of /gnu/store/0zrslrsrniqmrxpxjrsr1nrlvb84afd7-cffi-1.15.1.tar.gz
From https://files.pythonhosted.org/packages/source/c/cffi/cffi-1.15.1.tar.gz...
following redirection to `https://files.pythonhosted.org/packages/2b/a8/050ab4f0c3d4c1b8aaa805f70e26e84d0e27004907c5b8ecc1d31815f92a/cffi-1.15.1.tar.gz'...

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