Comment 0 for bug 1080915

Some apport-package bug reports don't have a DuplicateSignature when they should. I was able to obtain a problematic crash file and running ubuntu-bug with I received the following traceback:

ERROR: hook /usr/share/apport/general-hooks/ubuntu.py crashed:
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/general-hooks/ubuntu.py", line 62, in add_info
    check_attachment_for_errors(report, attachment)
  File "/usr/share/apport/general-hooks/ubuntu.py", line 171, in check_attachment_for_errors
    trim_dpkg_log(report)
  File "/usr/share/apport/general-hooks/ubuntu.py", line 428, in trim_dpkg_log
    if start_re.match(line) or trim_re.match(line):
TypeError: can't use a bytes pattern on a string-like object