Remove relative path for file

model.py

@@ -39,7 +39,7 @@ def get_timestamp_stored():
     Retrieve the timestamp when the program checked the database
     :return timestamp:
     """
-    with open('npc-drops/timestamp.txt', 'r') as f:
+    with open('timestamp.txt', 'r') as f:
         this_timestamp_stored = f.read()
     return int(this_timestamp_stored)
 
@@ -50,7 +50,7 @@ def put_timestamp_stored(this_timestamp):
     :param this_timestamp:
     :return:
     """
-    with open('npc_drops/timestamp.txt', 'w') as f:
+    with open('timestamp.txt', 'w') as f:
         f.write(this_timestamp)
 
 
@@ -67,7 +67,7 @@ def get_data(stock_id, this_timestamp):
 
 def process_data(this_data_previous, this_data_latest, this_threshold):
     """
-    Checks if there is enough change to call it a drop
+    Calculate if there is enough change to call it a drop
     :param this_data_previous:
     :param this_data_latest:
     :param this_threshold