information importance of loading pickle data is debug now

src/data_handling/data_generator.py

@@ -182,7 +182,7 @@ class DataGenerator(keras.utils.Sequence):
                 raise FileNotFoundError
             data = self._load_pickle_data(station, self.variables)
         except FileNotFoundError:
-            logging.info(f"load not pickle data for {station}")
+            logging.debug(f"load not pickle data for {station}")
             data = DataPrep(self.data_path, self.network, station, self.variables, station_type=self.station_type,
                             **self.kwargs)
             if self.transformation is not None: