Fix initialise history_tab_limit during restart loading.

CHANGES.md

@@ -73,6 +73,7 @@
 * Update included fallback timezone info file to 2020c
 * Change use natural time for age if now is night time and the last recent is yesterday evening, otherwise output age as 'yesterday'
 * Change improve performance of History new
+* Fix initialise history_tab_limit during restart loading
 
 
 ### 0.21.12 (2020-11-03 16:05:00 UTC)

sickbeard/webserve.py

@@ -138,9 +138,9 @@ class PageTemplate(Template):
         kwargs['file'] = os.path.join(sickbeard.PROG_DIR, 'gui/%s/interfaces/default/' %
                                       sickbeard.GUI_NAME, kwargs['file'])
 
-        self.addtab_limit = sickbeard.MEMCACHE['history_tab_limit']
+        self.addtab_limit = sickbeard.MEMCACHE.get('history_tab_limit', 0)
         if not web_handler.application.is_loading_handler:
-            self.history_compact = sickbeard.MEMCACHE['history_tab']
+            self.history_compact = sickbeard.MEMCACHE.get('history_tab')
 
         super(PageTemplate, self).__init__(*args, **kwargs)