feat(aurora): added timedelta_from_string() function

aurora/importers/aurora.py

@@ -1,6 +1,5 @@
 # pylint: disable=duplicate-code
 import json
-from datetime import timedelta
 from time import time
 from typing import Dict
 
@@ -10,6 +9,7 @@ from redbot.core.utils.chat_formatting import box, warning
 
 from ..models.moderation import Moderation
 from ..utilities.database import connect, create_guild_table
+from ..utilities.utils import timedelta_from_string
 
 
 class ImportAuroraView(ui.View):
@@ -91,8 +91,7 @@ class ImportAuroraView(ui.View):
             metadata.update({"imported_timestamp": int(time())})
 
             if case["duration"] != "NULL" and case["duration"] is not None:
-                hours, minutes, seconds = map(int, case["duration"].split(":"))
-                duration = timedelta(hours=hours, minutes=minutes, seconds=seconds)
+                duration = timedelta_from_string(case["duration"])
             else:
                 duration = None