sudo apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
  python3-webencodings
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 11.3 kB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://kali.download/kali kali-rolling/main amd64 python3-webencodings all 0.5.1-3 [11.3 kB]
Fetched 11.3 kB in 2s (6,033 B/s)             
(Reading database ... 285023 files and directories currently installed.)
Preparing to unpack .../python3-webencodings_0.5.1-3_all.deb ...
Unpacking python3-webencodings (0.5.1-3) over (0.5.1-2kali1) ...
Setting up python3-webencodings (0.5.1-3) ...
Setting up atftpd (0.7.git20210202-4+b1) ...
/var/lib/dpkg/info/atftpd.config: 3: /etc/default/atftpd: 69: not found
dpkg: error processing package atftpd (--configure):
 installed atftpd package post-installation script subprocess returned error exit status 127
Errors were encountered while processing:
 atftpd
E: Sub-process /usr/bin/dpkg returned an error code (1)