Fixed UTC references

Author: indykoning

growattServer/open_api_v1/devices/min.py

@@ -84,8 +84,8 @@ def energy_history(self, start_date=None, end_date=None, timezone=None, page=Non
 
         """
         if start_date is None and end_date is None:
-            start_date = datetime.now(timezone.utc).date()
-            end_date = datetime.now(timezone.utc).date()
+            start_date = datetime.now(datetime.UTC).date()
+            end_date = datetime.now(datetime.UTC).date()
         elif start_date is None:
             start_date = end_date
         elif end_date is None:

growattServer/open_api_v1/devices/sph.py

@@ -83,8 +83,8 @@ def energy_history(self, start_date=None, end_date=None, timezone=None, page=Non
 
         """
         if start_date is None and end_date is None:
-            start_date = datetime.now(timezone.utc).date()
-            end_date = datetime.now(timezone.utc).date()
+            start_date = datetime.now(datetime.UTC).date()
+            end_date = datetime.now(datetime.UTC).date()
         elif start_date is None:
             start_date = end_date
         elif end_date is None: