diff --git a/django/contrib/admin/widgets.py b/django/contrib/admin/widgets.py
index 491c78870f..3264355ed6 100644
--- a/django/contrib/admin/widgets.py
+++ b/django/contrib/admin/widgets.py
@@ -45,12 +45,15 @@ class FilteredSelectMultiple(forms.SelectMultiple):
attrs['class'] = 'selectfilter'
if self.is_stacked:
attrs['class'] += 'stacked'
- output = [super(FilteredSelectMultiple, self).render(name, value, attrs, choices)]
- output.append('\n'
- % (name, escapejs(self.verbose_name), int(self.is_stacked)))
+ output = [
+ super(FilteredSelectMultiple, self).render(name, value, attrs, choices),
+ '\n' % (
+ name, escapejs(self.verbose_name), int(self.is_stacked),
+ ),
+ ]
return mark_safe(''.join(output))
diff --git a/django/core/management/commands/createcachetable.py b/django/core/management/commands/createcachetable.py
index c1ec4539b6..fc47cea77d 100644
--- a/django/core/management/commands/createcachetable.py
+++ b/django/core/management/commands/createcachetable.py
@@ -61,8 +61,11 @@ class Command(BaseCommand):
index_output = []
qn = connection.ops.quote_name
for f in fields:
- field_output = [qn(f.name), f.db_type(connection=connection)]
- field_output.append("%sNULL" % ("NOT " if not f.null else ""))
+ field_output = [
+ qn(f.name),
+ f.db_type(connection=connection),
+ '%sNULL' % ('NOT ' if not f.null else ''),
+ ]
if f.primary_key:
field_output.append("PRIMARY KEY")
elif f.unique:
diff --git a/django/db/models/sql/compiler.py b/django/db/models/sql/compiler.py
index ea9b3e78b4..9ebb94a6ce 100644
--- a/django/db/models/sql/compiler.py
+++ b/django/db/models/sql/compiler.py
@@ -1082,10 +1082,7 @@ class SQLUpdateCompiler(SQLCompiler):
self.pre_sql_setup()
if not self.query.values:
return '', ()
- table = self.query.tables[0]
qn = self.quote_name_unless_alias
- result = ['UPDATE %s' % qn(table)]
- result.append('SET')
values, update_params = [], []
for field, model, val in self.query.values:
if hasattr(val, 'resolve_expression'):
@@ -1124,7 +1121,11 @@ class SQLUpdateCompiler(SQLCompiler):
values.append('%s = NULL' % qn(name))
if not values:
return '', ()
- result.append(', '.join(values))
+ table = self.query.tables[0]
+ result = [
+ 'UPDATE %s SET' % qn(table),
+ ', '.join(values),
+ ]
where, params = self.compile(self.query.where)
if where:
result.append('WHERE %s' % where)