Update get_ecmwf.py

Change load_dotenv method

Author: obellprat

WWCS/dashboard/service/get_ecmwf/get_ecmwf.py

@@ -4,7 +4,7 @@
 
 from cdo import Cdo
 from ecmwfapi import ECMWFService
-import dotenv
+from dotenv import load_dotenv
 import mysql.connector
 import pandas as pd
 import yaml