Handle datetime without second fraction part

witchie/utils/datetime.py

@@ -1,12 +1,18 @@
 import math
 import os
+import sys
 
 from datetime import datetime, timezone
 
 
 def parse_datetime(value):
     """Returns an aware datetime in local timezone"""
-    dttm = datetime.strptime(value, "%Y-%m-%dT%H:%M:%S.%f%z")
+    if sys.version_info.major == 3 and sys.version_info.minor >= 11:
+        dttm = datetime.fromisoformat(value)
+    else:
+        # Fallback manual format parsing
+        # This does not catches all possible formats used by server software
+        dttm = datetime.strptime(value, "%Y-%m-%dT%H:%M:%S.%f%z")
 
     # When running tests return datetime in UTC so that tests don't depend on
     # the local timezone