Fix: Fixed issues with incorrect use or in-memory thresholding cache.

lib/mentat/reports/utils.py

@@ -501,7 +501,12 @@ class SimpleMemoryThresholdingCache(ThresholdingCache):
         """
         *Interface implementation:* Implementation of :py:func:`mentat.reports.utils.ThresholdingCache.cleanup` method.
         """
-        return {'thresholds': 0, 'events': 0}
+        result = {
+            'thresholds': len(self.memcache),
+            'events': 0
+        }
+        self.memcache = {}
+        return result
 
 
 class SingleSourceThresholdingCache(SimpleMemoryThresholdingCache):

lib/mentat/stats/idea.py

@@ -285,7 +285,7 @@ def evaluate_timeline_events(events, dt_from, dt_to, max_count, stats = None):
 
     for event in events:
         # Detect recurring events.
-        recurring = tcache.event_is_thresholded(event, None)
+        recurring = tcache.event_is_thresholded(event, None, None)
         tcache.set_threshold(event, None, None, None, None)
 
         # Include event into global statistics.