3 files changed, 8 insertions, 8 deletions
diff --git a/django/contrib/postgres/forms/array.py b/django/contrib/postgres/forms/array.py
index 0bd4ee4916..01c4d53527 100644
--- a/django/contrib/postgres/forms/array.py
+++ b/django/contrib/postgres/forms/array.py
@@ -1,10 +1,12 @@
 import copy
 
-from django.contrib.postgres.validators import ArrayMinLengthValidator, ArrayMaxLengthValidator
-from django.core.exceptions import ValidationError
 from django import forms
-from django.utils.safestring import mark_safe
+from django.contrib.postgres.validators import (
+    ArrayMaxLengthValidator, ArrayMinLengthValidator,
+)
+from django.core.exceptions import ValidationError
 from django.utils import six
+from django.utils.safestring import mark_safe
 from django.utils.translation import string_concat, ugettext_lazy as _
 
 
diff --git a/django/contrib/postgres/forms/hstore.py b/django/contrib/postgres/forms/hstore.py
index 548be0f570..2c564ea53c 100644
--- a/django/contrib/postgres/forms/hstore.py
+++ b/django/contrib/postgres/forms/hstore.py
@@ -5,7 +5,6 @@ from django.core.exceptions import ValidationError
 from django.utils import six
 from django.utils.translation import ugettext_lazy as _
 
-
 __all__ = ['HStoreField']
 
 
diff --git a/django/contrib/postgres/forms/ranges.py b/django/contrib/postgres/forms/ranges.py
index 23db4fe514..80ea8299c9 100644
--- a/django/contrib/postgres/forms/ranges.py
+++ b/django/contrib/postgres/forms/ranges.py
@@ -1,11 +1,10 @@
-from django.core import exceptions
+from psycopg2.extras import DateRange, DateTimeTZRange, NumericRange
+
 from django import forms
+from django.core import exceptions
 from django.forms.widgets import MultiWidget
 from django.utils.translation import ugettext_lazy as _
 
-from psycopg2.extras import NumericRange, DateRange, DateTimeTZRange
-
-
 __all__ = ['IntegerRangeField', 'FloatRangeField', 'DateTimeRangeField', 'DateRangeField']