Merge pull request #1098 from pawl/remove_unnececessary_DateTimeField

remove unnecessary DateTimeField imports

flask_admin/contrib/sqla/form.py

@@ -18,12 +18,6 @@ from .fields import QuerySelectField, QuerySelectMultipleField, InlineModelFormL
 from .tools import has_multiple_pks, filter_foreign_columns
 from .ajax import create_ajax_loader
 
-try:
-    # Field has better input parsing capabilities.
-    from wtforms.ext.dateutil.fields import DateTimeField
-except ImportError:
-    from wtforms.fields import DateTimeField
-
 
 class AdminModelConverter(ModelConverterBase):
     """