docs: def photparse(tab):
      """
      Parse through a photometry table to group by source_id
  
      Parameters
      ----------
      tab: list
        SQL query dictionary list from running query_dict.execute()
  
      Returns
      -------
      newtab: list
        Dictionary list after parsing to group together sources
  
      """
  
      # Check that source_id column is present
      if 'source_id' not in tab[0].keys():
          raise KeyError('phot=TRUE requires the source_id columb be included')
  
      # Loop through the table and grab unique band names and source IDs
      uniqueid = []
      for i in range(len(tab)):
          tmpid = tab[i]['source_id']
  
          if tmpid not in uniqueid:
              uniqueid.append(tmpid)
  
      # Loop over unique id and create a new table for each element in it
      newtab = []
      for sourceid in uniqueid:
          tmpdict = photaddline(tab, sourceid)
          newtab.append(tmpdict)
  
      return newtab