4 files changed, 10 insertions, 10 deletions
diff --git a/django/db/models/sql/compiler.py b/django/db/models/sql/compiler.py
index 41733210c4..1be406d704 100644
--- a/django/db/models/sql/compiler.py
+++ b/django/db/models/sql/compiler.py
@@ -15,7 +15,7 @@ from django.db.utils import DatabaseError
 FORCE = object()
 
 
-class SQLCompiler(object):
+class SQLCompiler:
     def __init__(self, query, connection, using):
         self.query = query
         self.connection = connection
diff --git a/django/db/models/sql/datastructures.py b/django/db/models/sql/datastructures.py
index 02e4f930e1..81b6cabdc6 100644
--- a/django/db/models/sql/datastructures.py
+++ b/django/db/models/sql/datastructures.py
@@ -19,11 +19,11 @@ class MultiJoin(Exception):
         self.names_with_path = path_with_names
 
 
-class Empty(object):
+class Empty:
     pass
 
 
-class Join(object):
+class Join:
     """
     Used by sql.Query and sql.SQLCompiler to generate JOIN clauses into the
     FROM entry. For example, the SQL generated could be
@@ -125,7 +125,7 @@ class Join(object):
         return new
 
 
-class BaseTable(object):
+class BaseTable:
     """
     The BaseTable class is used for base table references in FROM clause. For
     example, the SQL "foo" in
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index 3acef8faf5..67d5738976 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -43,7 +43,7 @@ def get_field_names_from_opts(opts):
     ))
 
 
-class RawQuery(object):
+class RawQuery:
     """
     A single raw SQL query
     """
@@ -111,7 +111,7 @@ class RawQuery(object):
         self.cursor.execute(self.sql, params)
 
 
-class Query(object):
+class Query:
     """
     A single SQL query.
     """
@@ -2049,7 +2049,7 @@ def is_reverse_o2o(field):
     return field.is_relation and field.one_to_one and not field.concrete
 
 
-class JoinPromoter(object):
+class JoinPromoter:
     """
     A class to abstract away join promotion problems for complex filter
     conditions.
diff --git a/django/db/models/sql/where.py b/django/db/models/sql/where.py
index bb4e9252b4..7ce7617bfa 100644
--- a/django/db/models/sql/where.py
+++ b/django/db/models/sql/where.py
@@ -172,7 +172,7 @@ class WhereNode(tree.Node):
         return any(child.is_summary for child in self.children)
 
 
-class NothingNode(object):
+class NothingNode:
     """
     A node that matches nothing.
     """
@@ -182,7 +182,7 @@ class NothingNode(object):
         raise EmptyResultSet
 
 
-class ExtraWhere(object):
+class ExtraWhere:
     # The contents are a black box - assume no aggregates are used.
     contains_aggregate = False
 
@@ -195,7 +195,7 @@ class ExtraWhere(object):
         return " AND ".join(sqls), list(self.params or ())
 
 
-class SubqueryConstraint(object):
+class SubqueryConstraint:
     # Even if aggregates would be used in a subquery, the outer query isn't
     # interested about those.
     contains_aggregate = False