==> Synchronizing chroot copy [/home/alhp/workspace/chroot/root] -> [build_31268642-c229-424f-88fb-512d3d27221e]...done ==> Making package: python-matplotlib 3.8.1-1.1 (Wed Nov 1 19:44:09 2023) ==> Retrieving sources... -> Cloning matplotlib git repo... Cloning into bare repository '/home/alhp/workspace/build/x86-64-v3/python-matplotlib-3.8.1-1/matplotlib'... -> Downloading mpl-images-3.8.1-ft2.13.1.tar.gz... % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 100 809 0 809 0 0 1311 0 --:--:-- --:--:-- --:--:-- 1311 100 12.9M 0 12.9M 0 0 9111k 0 --:--:-- 0:00:01 --:--:-- 15.4M 100 24.0M 0 24.0M 0 0 11.1M 0 --:--:-- 0:00:02 --:--:-- 15.6M -> Found freetype.patch ==> Validating source files with b2sums... matplotlib ... Skipped mpl-images-3.8.1-ft2.13.1.tar.gz ... Passed freetype.patch ... Passed ==> Verifying source file signatures with gpg... matplotlib git repo ... FAILED (unknown public key 79B3FEC456F12599) ==> ERROR: One or more PGP signatures could not be verified! ==> ERROR: Could not download sources.