Fixed #21298 -- Fixed E301 pep8 warnings

django/forms/formsets.py

@@ -241,6 +241,7 @@ class BaseFormSet(object):
             # None should be sorted below anything else. Allowing None as
             # a comparison value makes it so we can leave ordering fields
             # blank.
+
             def compare_ordering_key(k):
                 if k[1] is None:
                     return (1, 0) # +infinity, larger than any number

django/forms/models.py

@@ -602,6 +602,7 @@ class BaseModelFormSet(BaseFormSet):
         """
         if not commit:
             self.saved_forms = []
+
             def save_m2m():
                 for form in self.saved_forms:
                     form.save_m2m()
@@ -754,6 +755,7 @@ class BaseModelFormSet(BaseFormSet):
         # data back. Generally, pk.editable should be false, but for some
         # reason, auto_created pk fields and AutoField's editable attribute is
         # True, so check for that as well.
+
         def pk_is_not_editable(pk):
             return ((not pk.editable) or (pk.auto_created or isinstance(pk, AutoField))
                 or (pk.rel and pk.rel.parent_link and pk_is_not_editable(pk.rel.to._meta.pk)))

django/forms/widgets.py

@@ -406,6 +406,7 @@ class Textarea(Widget):
 
 class DateTimeBaseInput(TextInput):
     format_key = ''
+
     def __init__(self, attrs=None, format=None):
         super(DateTimeBaseInput, self).__init__(attrs)
         self.format = format if format else None