Fix Array slice error

counter_service.py

@@ -206,13 +206,15 @@ class FrigateCounterService:
         now = datetime.now().isoformat()
 
         """ START - Carry last 50 previous counted_ids into next batch """
+        counted_ids = []
         if self.previous_state is not None:
             try:
-                counted_ids = self.previous_state["counted_event_ids"][-50:0]
+                counted_ids = self.previous_state["counted_event_ids"][-50:]
             except:
                 counted_ids = []
-        else:
-            counted_ids = []
+
+        # Print
+        #self.logger.info(counted_ids)
 
         self.current_state = {
             "counting_date": counting_date,
@@ -339,7 +341,6 @@ class FrigateCounterService:
         self.end_batch()
 
     def end_batch(self):
-        self.previous_state = self.current_state
         with self.state_lock:
             self._end_batch_locked()
 
@@ -347,6 +348,7 @@ class FrigateCounterService:
         if self.current_state is None:
             return
 
+        self.previous_state = self.current_state
         state = self.current_state
 
         """ Check Duration """