update problem

[wltdwiz]

hello all
i tried to update today & received this error message 

After this operation, 109 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Reading changelogs... Done
dpkg: unrecoverable fatal error, aborting:
 files list file for package 'python3-cffi' is missing final newline
E: Sub-process /usr/bin/dpkg returned an error code (2)

any ideas ?
thanks in advance