Fixes

- use parse_datetime from Django for the datetime_hook
- deal with a fencepost error in the events slicer

awx/main/utils/common.py

@@ -18,10 +18,9 @@ from functools import reduce, wraps
 
 from decimal import Decimal
 
-from dateutil import parser
-
 # Django
 from django.core.exceptions import ObjectDoesNotExist, FieldDoesNotExist
+from django.utils.dateparse import parse_datetime
 from django.utils.translation import ugettext_lazy as _
 from django.utils.functional import cached_property
 from django.db.models.fields.related import ForeignObjectRel, ManyToManyField
@@ -122,8 +121,8 @@ def datetime_hook(d):
     new_d = {}
     for key, value in d.items():
         try:
-            new_d[key] = parser.parse(value)
-        except Exception:
+            new_d[key] = parse_datetime(value)
+        except TypeError:
             new_d[key] = value
     return new_d