Remove datetime imports unused by Django 1.4+

model_utils/fields.py

@@ -1,15 +1,9 @@
 from __future__ import unicode_literals
-from datetime import datetime
 
 from django.db import models
 from django.conf import settings
 from django.utils.encoding import python_2_unicode_compatible
-
-
-try:
-    from django.utils.timezone import now as now
-except ImportError:
-    now = datetime.now
+from django.utils.timezone import now as now
 
 
 class AutoCreatedField(models.DateTimeField):

model_utils/models.py

@@ -1,21 +1,15 @@
 from __future__ import unicode_literals
-from datetime import datetime
 
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from django.db.models.fields import FieldDoesNotExist
 from django.core.exceptions import ImproperlyConfigured
+from django.utils.timezone import now as now
 
 from model_utils.managers import QueryManager
 from model_utils.fields import AutoCreatedField, AutoLastModifiedField, \
     StatusField, MonitorField
 
-try:
-    from django.utils.timezone import now as now
-except ImportError:
-    now = datetime.now
-
-
 
 class TimeStampedModel(models.Model):
     """