[Reportbug-maint] Bug#758619: reportbug fails with Attempt to unlock mutex that was not locked

[tester]

Package: reportbug
Version: 6.5.1
Followup-For: Bug #758619

What outcome did you expect instead?

*** End of the template - remove these template lines ***


-- Package-specific info:
** Environment settings:
INTERFACE="text"

** /home/tester/.reportbugrc:
reportbug_version "6.4.4"
mode novice
ui gtk2
no-cc
header "X-Debbugs-CC: tester at localhost.localdomain"
smtphost reportbug.debian.org

-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.16-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages reportbug depends on:
ii  apt               1.0.9.2
ii  python            2.7.8-1
ii  python-reportbug  6.5.1
pn  python:any        <none>

reportbug recommends no packages.

Versions of packages reportbug suggests:
ii  claws-mail                                 3.10.1-4
pn  debconf-utils                              <none>
ii  debsums                                    2.0.52+nmu2
pn  dlocate                                    <none>
ii  emacs23-bin-common                         23.4+1-4.1+b1
ii  exim4                                      4.84-2
ii  exim4-daemon-light [mail-transport-agent]  4.84-2
ii  file                                       1:5.19-2
ii  gnupg                                      1.4.18-4
ii  python-gtk2                                2.24.0-4
ii  python-gtkspell                            2.25.3-13
pn  python-urwid                               <none>
ii  python-vte                                 1:0.28.2-5
ii  xdg-utils                                  1.1.0~rc1+git20111210-7.1

Versions of packages python-reportbug depends on:
ii  apt               1.0.9.2
ii  python-debian     0.1.23
ii  python-debianbts  1.12
pn  python:any        <none>

python-reportbug suggests no packages.

-- Configuration Files:
/etc/reportbug.conf changed:
submit
query-bts
cc
config-files
compress
email "humberto at example.com"
smtphost reportbug.debian.org
verify


-- no debconf information