update: commenting

server/map/get_markers.py

 import json
 
 
-# get_markers requests all marker data from mongoDB
-def get_all_markers(self, cursor, valid : bool):
+# get_markers requests all marker data or valid markers, converts the data to json, and writes
+# the data to the response object
+def get_all_markers(self, cursor, valid: bool):
     try:
-
         # NB: interval temporarily hard coded to 5 days
-        if valid == True: # Fetch only valid markers (taken within last 5 days)
+        if valid: # Fetch only valid markers (taken within last 5 days)
             cursor.execute('''
                 SELECT m.MeasurementID, m.SensorID, m.TimeMeasured, d.Latitude, d.Longitude,
                        d.IceTop, d.IceBottom, d.CalculatedThickness, d.Accuracy, s.SensorType, s.Active,