Package: gscan2pdf
Version: 3.0.10
Severity: serious
When pressing the scan toolbar button in gscan2pdf (or from the menu),
no dialog is opened and this error pops in terminal:
```
CRITICAL:root:Uncaught exception
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/scantpaper/app.py", line 72, in
do_activate
self.window = ApplicationWindow(application=self)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/scantpaper/app_window.py", line
204, in __init__
self._populate_main_window()
~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/lib/python3/dist-packages/scantpaper/app_window.py", line
395, in _populate_main_window
self.scan_dialog(None, None, hidden=True)
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/usr/lib/python3/dist-packages/scantpaper/scan_menu_item_mixins.py",
line 112, in scan_dialog
self._windows = SaneScanDialog(**kwargs)
~~~~~~~~~~~~~~^^^^^^^^^^
File "/usr/lib/python3/dist-packages/scantpaper/dialog/sane.py", line
38, in __init__
super().__init__(*args, **kwargs)
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/scantpaper/dialog/scan.py", line
423, in __init__
frontend=profiles[profile]["frontend"],
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
KeyError: 'frontend'
CRITICAL:root:Uncaught exception
Traceback (most recent call last):
File
"/usr/lib/python3/dist-packages/scantpaper/scan_menu_item_mixins.py",
line 112, in scan_dialog
self._windows = SaneScanDialog(**kwargs)
~~~~~~~~~~~~~~^^^^^^^^^^
File "/usr/lib/python3/dist-packages/scantpaper/dialog/sane.py", line
38, in __init__
super().__init__(*args, **kwargs)
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/scantpaper/dialog/scan.py", line
423, in __init__
frontend=profiles[profile]["frontend"],
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
KeyError: 'frontend'
```
scanimage -L successufully finds a scanner though, but gscan2pdf won't
scan anything
