typo

model.py

@@ -98,7 +98,7 @@ def is_npc_drop(data_previous, data_latest):
     :return:
     """
     npc_drop = False
-    if data_latest.total_shares - data_previous.totals_shares > 0:
+    if data_latest.total_shares - data_previous.total_shares > 0:
         print('data_latest.total_shares {}'.format(data_latest.total_shares))
         print('data_previous.total_shares {}'.format(data_previous.totals_shares))
         npc_drop = True