fix isort complains

Author: jrief

.isort.cfg

@@ -0,0 +1,3 @@
+[settings]
+profile=django
+line_length=119

formset/widgets.py

@@ -13,13 +13,7 @@
 from django.db.models.query_utils import Q
 from django.forms.models import ModelChoiceIterator, ModelChoiceIteratorValue
 from django.forms.widgets import (
-    FILE_INPUT_CONTRADICTION,
-    DateTimeBaseInput,
-    FileInput,
-    Select,
-    SelectMultiple,
-    TextInput,
-    Widget,
+    FILE_INPUT_CONTRADICTION, DateTimeBaseInput, FileInput, Select, SelectMultiple, TextInput, Widget,
 )
 from django.template.loader import get_template
 from django.utils.encoding import uri_to_iri