[Dev] calibre, version 3.16.0

[mikel]

Hello,

after the latest pacman -Syu calibre prints the following message and quits:

Traceback (most recent call last):
   File "/usr/lib/calibre/calibre/gui2/main.py", line 293, in 
initialize_db_stage2
     self.start_gui(db)
   File "/usr/lib/calibre/calibre/gui2/main.py", line 233, in start_gui
     main.initialize(self.library_path, db, self.listener, self.actions)
   File "/usr/lib/calibre/calibre/gui2/ui.py", line 255, in initialize
     LayoutMixin.init_layout_mixin(self)
   File "/usr/lib/calibre/calibre/gui2/init.py", line 563, in 
init_layout_mixin
     self.vl_tabs = VLTabs(self)
   File "/usr/lib/calibre/calibre/gui2/init.py", line 399, in __init__
     self.setTabsClosable(gprefs['vl_tabs_closable'])
   File "/usr/lib/calibre/calibre/utils/config.py", line 420, in __getitem__
     return self.defaults[key]
KeyError: 'vl_tabs_closable'


Thanks.