Fixed imports to adhere to PEP 8 and stripped trailing whitespace.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6066 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/fields/__init__.py

@@ -1,3 +1,11 @@
+import datetime
+import os
+import time
+try:
+    import decimal
+except ImportError:
+    from django.utils import _decimal as decimal    # for Python 2.3
+
 from django.db import get_creation_module
 from django.db.models import signals
 from django.dispatch import dispatcher
@@ -12,11 +20,6 @@ from django.utils.text import capfirst
 from django.utils.translation import ugettext_lazy, ugettext as _
 from django.utils.encoding import smart_unicode, force_unicode, smart_str
 from django.utils.maxlength import LegacyMaxlength
-import datetime, os, time
-try:
-    import decimal
-except ImportError:
-    from django.utils import _decimal as decimal    # for Python 2.3
 
 class NOT_PROVIDED:
     pass