Traceback (most recent call last): File "/usr/lib/python3/dist-packages/apport/report.py", line 197, in _run_hook symb['add_info'](report, ui) File "/usr/share/apport/package-hooks/source_xorg-server.py", line 677, in add_info attach_nvidia_info(report, ui) File "/usr/share/apport/package-hooks/source_xorg-server.py", line 521, in attach_nvidia_info attach_file_if_exists(report, logfile) File "/usr/lib/python3/dist-packages/apport/hookutils.py", line 71, in attach_file_if_exists attach_file(report, path, key, overwrite, force_unicode) File "/usr/lib/python3/dist-packages/apport/hookutils.py", line 115, in attach_file report[key] = read_file(path, force_unicode=force_unicode) File "/usr/lib/python3/dist-packages/problem_report.py", line 627, in __setitem__ assert k.replace('.', '').replace('-', '').replace('_', '').isalnum() AssertionError