[brubru] don't fail when open pref window with no accoutn configured. Fixes #4895
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@ -522,8 +522,11 @@ class PreferencesWindow:
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self.window.hide()
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def get_per_account_option(self, opt):
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'''Return the value of the option opt if it's the same in all accoutns
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'''Return the value of the option opt if it's the same in all accounts
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else returns "mixed"'''
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if len(gajim.connections) = 0:
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# a non existant key return default value
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return gajim.config.get_per('accounts', '__default__', opt)
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val = None
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for account in gajim.connections:
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v = gajim.config.get_per('accounts', account, opt)
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