Description of problem:
Clicked on Panel settings.
Version-Release number of selected component:
cmdline: /usr/bin/python3 /usr/share/cinnamon/cinnamon-settings/cinnamon-settings.py desktop
runlevel: N 5
cs_panel.py:409:on_setting_changed:TypeError: Argument 1 does not allow None as a value
Traceback (most recent call last):
File "/usr/share/cinnamon/cinnamon-settings/cinnamon-settings.py", line 549, in button_press
self.side_view_nav(widget, None, category)
File "/usr/share/cinnamon/cinnamon-settings/cinnamon-settings.py", line 118, in side_view_nav
File "/usr/share/cinnamon/cinnamon-settings/cinnamon-settings.py", line 132, in go_to_sidepage
File "/usr/share/cinnamon/cinnamon-settings/bin/SettingsWidgets.py", line 123, in build
File "/usr/share/cinnamon/cinnamon-settings/modules/cs_panel.py", line 164, in on_module_selected
File "/usr/share/cinnamon/cinnamon-settings/modules/cs_panel.py", line 243, in on_panel_list_changed
panel_page = PanelSettingsPage(panel_id, self.settings, position)
File "/usr/share/cinnamon/cinnamon-settings/modules/cs_panel.py", line 57, in __init__
widget = PanelSpinButton(_("Hide delay"), "org.cinnamon", "panels-hide-delay", self.panel_id, _("milliseconds"), 0, 2000, 50, 200)#, dep_key="org.cinnamon/panels-autohide")
File "/usr/share/cinnamon/cinnamon-settings/modules/cs_panel.py", line 393, in __init__
File "/usr/share/cinnamon/cinnamon-settings/modules/cs_panel.py", line 329, in connect_to_settings
File "/usr/share/cinnamon/cinnamon-settings/modules/cs_panel.py", line 409, in on_setting_changed
TypeError: Argument 1 does not allow None as a value
Local variables in innermost frame:
self: <cs_panel.PanelSpinButton object at 0x7fde699aebd0 (cs_panel+PanelSpinButton at 0x557e0333c2f0)>
Created attachment 1508784 [details]
Created attachment 1508785 [details]
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Created attachment 1508790 [details]
I confirm this occurs on Fedora 30 as well.
Found a cause and solution: it appears there's been an update to the underlying software, and old configuration data is breaking it. Do `gsettings get org.cinnamon panels-hide-delay`; on my system, where I have 2 panels set up, only one value is printed out (`['1:0']`). Fixing it for me was as simple as doing `gsettings set org.cinnamon panels-hide-delay "['1:0','2:0']"`. See https://github.com/linuxmint/Cinnamon/issues/6692 for more information.
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