Add debug-logging to _energy_log_records_load_from_cache()

Author: bouwew

plugwise_usb/nodes/circle.py

@@ -535,6 +535,7 @@ async def _energy_log_records_load_from_cache(self) -> bool:
             return False
         restored_logs: dict[int, list[int]] = {}
         if cache_data == "":
+            _LOGGER.debug("Cache-record is empty")
             return False
 
         log_data = cache_data.split("|")
@@ -568,6 +569,7 @@ async def _energy_log_records_load_from_cache(self) -> bool:
 
         # Create task to retrieve remaining (missing) logs
         if self._energy_counters.log_addresses_missing is None:
+            _LOGGER.debug("Cache | missing log addresses is None")
             return False
 
         if len(self._energy_counters.log_addresses_missing) > 0:
@@ -577,6 +579,7 @@ async def _energy_log_records_load_from_cache(self) -> bool:
             self._retrieve_energy_logs_task = create_task(
                 self.get_missing_energy_logs()
             )
+            _LOGGER.debug("Cache | creating tasks to obtain missing energy logs")
             return False
 
         return True