Removed the first 2 lines (python interpreter) which are automatically generated by Spyder.

timeseries_pandas/calc.py

-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 """
 Created on Fri Nov  4 15:05:17 2022
 

timeseries_pandas/import_export.py

-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 """
 Created on Fri Nov  4 14:43:23 2022
 

timeseries_pandas/plot.py

-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 """
 Created on Fri Nov  4 15:33:41 2022