apt-get upgrade breaks python3

[prof7bit]

same problem here.

Is there any way to fix it?

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The upgrade that broke it instralled these things (taken from /var/log/apt/history.log):


Install:
linux-headers-4.4.120-rockchip-ayufan-208:arm64 (0.6.30, automatic),
linux-image-4.4.120-rockchip-ayufan-208:arm64 (0.6.30, automatic),
device-tree-compiler:arm64 (1.4.2-1, automatic),
debsums:arm64 (2.2.2, automatic),
u-boot-rock64:arm64 (0.6.30, automatic),
libfile-fnmatch-perl:arm64 (0.02-2+b3, automatic)

Upgrade:
openssl:arm64 (1.1.0f-3+deb9u1, 1.1.0f-3+deb9u2),
libsystemd0:arm64 (232-25+deb9u2, 232-25+deb9u3),
libicu57:arm64 (57.1-6+deb9u1, 57.1-6+deb9u2),
udev:arm64 (232-25+deb9u2, 232-25+deb9u3),
libudev1:arm64 (232-25+deb9u2, 232-25+deb9u3),
systemd-sysv:arm64 (232-25+deb9u2, 232-25+deb9u3),
linux-rock64:arm64 (0.6.25, 0.6.30),
libpam-systemd:arm64 (232-25+deb9u2, 232-25+deb9u3),
systemd:arm64 (232-25+deb9u2, 232-25+deb9u3),
linux-rock64-package:arm64 (0.6.25, 0.6.30),
libssl1.1:arm64 (1.1.0f-3+deb9u1, 1.1.0f-3+deb9u2),
libssl1.0.2:arm64 (1.0.2l-2+deb9u2, 1.0.2l-2+deb9u3),
tzdata:arm64 (2018c-0+deb9u1, 2018d-0+deb9u1)