Bug#892256: system-config-printer: Doesn't launch anymore

[kostas sismanis]

Package: system-config-printer
Version: 1.5.11-1
Followup-For: Bug #892256

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
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Running the system-config-printer fails

the message is

$ system-config-printer
Traceback (most recent call last):
  File "/usr/share/system-config-printer/system-config-printer.py", line 84, in
<module>
    import jobviewer
  File "/usr/share/system-config-printer/jobviewer.py", line 76, in <module>
    NETWORK_PASSWORD = Secret.Schema.new("org.system.config.printer.store",
Secret.SchemaFlags.NONE,
NameError: name 'Secret' is not defined




-- System Information:
Debian Release: buster/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 4.14.0-3-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages system-config-printer depends on:
ii  gir1.2-gdkpixbuf-2.0          2.36.11-1
ii  gir1.2-glib-2.0               1.54.1-4
ii  gir1.2-gtk-3.0                3.22.28-1
ii  gir1.2-notify-0.7             0.7.7-3
ii  gir1.2-packagekitglib-1.0     1.1.7-1
ii  gir1.2-pango-1.0              1.40.14-1
ii  gir1.2-polkit-1.0             0.105-18
ii  python3                       3.6.4-1
ii  python3-cups                  1.9.73-2
ii  python3-cupshelpers           1.5.11-1
ii  python3-dbus                  1.2.6-1
ii  python3-gi                    3.26.1-2
ii  system-config-printer-common  1.5.11-1

Versions of packages system-config-printer recommends:
ii  system-config-printer-udev  1.5.11-1

Versions of packages system-config-printer suggests:
pn  gnome-software  <none>

-- no debconf information