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_update-manager.py", line 22, in add_info
    if response:
UnboundLocalError: local variable 'response' referenced before assignment