glows update

imap_processing/glows/l1b/glows_l1b_data.py

@@ -5,6 +5,7 @@
 import json
 from dataclasses import InitVar, dataclass, field
 from pathlib import Path
+from typing import Optional
 
 import numpy as np
 
@@ -250,11 +251,11 @@ class DirectEventL1B:
     # l1a_file_name: str # TODO: Add once L1A questions are answered
     # ancillary_data_files: np.ndarray # TODO: Add once L1A questions are answered
     # The following variables are created from the InitVar data
-    de_flags: np.ndarray = field(init=False, default=None)
+    de_flags: Optional[np.ndarray] = field(init=False, default=None)
     # TODO: First two values of DE are sec/subsec
-    direct_event_glows_times: np.ndarray = field(init=False, default=None)
+    direct_event_glows_times: Optional[np.ndarray] = field(init=False, default=None)
     # 3rd value is pulse length
-    direct_event_pulse_lengths: np.ndarray = field(init=False, default=None)
+    direct_event_pulse_lengths: Optional[np.ndarray] = field(init=False, default=None)
     # TODO: where does the multi-event flag go?
 
     def __post_init__(