Package: debdelta Version: 0.65+nmu1 Followup-For: Bug #962203 After upgraded to version 0.65+nmu1, there is still something wrong. I think it is relating to this.
verbose: agn@debian-agn:~$ sudo debdelta-upgrade -d Deltas: 0 present and 0 not, downloaded so far: time 0.00sec, size 0B, speed 0B/sec. debdelta-upgrade : 'Thread' object has no attribute 'isAlive' File "/usr/bin/debdelta-upgrade", line 5548, in <module> exitcode=delta_upgrade_(argv) File "/usr/bin/debdelta-upgrade", line 5384, in delta_upgrade_ if patching_thread.isAlive() and no_delta and VERBOSE > 1 : -- System Information: Debian Release: bullseye/sid APT prefers testing APT policy: (650, 'testing'), (550, 'unstable') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 5.10.0-1-amd64 (SMP w/2 CPU threads) Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_CRAP, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE Locale: LANG=zh_TW.UTF-8, LC_CTYPE=zh_TW.UTF-8 (charmap=UTF-8), LANGUAGE=zh_TW:zh Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages debdelta depends on: ii binutils 2.35.1-7 ii bzip2 1.0.8-4 ii libbz2-1.0 1.0.8-4 ii libc6 2.31-9 ii python3 3.9.1-1 ii python3-requests 2.25.1+dfsg-2 ii zlib1g 1:1.2.11.dfsg-2 Versions of packages debdelta recommends: ii bsdiff 4.3-21+b1 ii gnupg2 2.2.20-1 ii gpg-agent [gnupg-agent] 2.2.20-1 ii python3-apt 2.1.7 ii python3-debian 0.1.39 ii xdelta 1.1.3-9.3 ii xdelta3 3.0.11-dfsg-1+b1 ii xz-utils [lzma] 5.2.5-1.0 Versions of packages debdelta suggests: pn debdelta-doc <none> -- no debconf information