Fix channels_db_info being None in test

sohstationviewer/model/mseed_data/mseed_reader.py

@@ -51,7 +51,7 @@ class MSeedReader:
                  waveform_data: Dict = {},
                  log_data: LogData = {},
                  gap_minimum: Optional[float] = None,
-                 channels_db_info: Dict = None,
+                 channels_db_info: Dict = {},
                  data_type: str = None,
                  ) -> None:
         """
@@ -356,7 +356,8 @@ class MSeedReader:
                     data_points = None
                     times = None
             else:
-                data_points = list(record.get_two_data_points())
+                data_points = (record.get_two_data_points())
+                print(record.__dict__)
                 times = [record.record_metadata.start_time,
                          record.record_metadata.end_time]
             self.append_data(data_dict, record, data_points, times)