Remove object in class definition

References: #4600
Change-Id: I2a62ddfe00bc562720f0eae700a497495d7a987a

8 files changed, 22 insertions, 22 deletions

diff --git a/lib/sqlalchemy/ext/associationproxy.py b/lib/sqlalchemy/ext/associationproxy.py
index a93f2c229..0aa836a3c 100644
--- a/lib/sqlalchemy/ext/associationproxy.py
+++ b/lib/sqlalchemy/ext/associationproxy.py
@@ -306,7 +306,7 @@ class AssociationProxy(interfaces.InspectionAttrInfo):
         )
 
 
-class AssociationProxyInstance(object):
+class AssociationProxyInstance:
     """A per-class object that serves class- and object-specific results.
 
     This is used by :class:`.AssociationProxy` when it is invoked
@@ -936,7 +936,7 @@ class ColumnAssociationProxyInstance(
         )
 
 
-class _lazy_collection(object):
+class _lazy_collection:
     def __init__(self, obj, target):
         self.parent = obj
         self.target = target
@@ -952,7 +952,7 @@ class _lazy_collection(object):
         self.target = state["target"]
 
 
-class _AssociationCollection(object):
+class _AssociationCollection:
     def __init__(self, lazy_collection, creator, getter, setter, parent):
         """Constructs an _AssociationCollection.
 
diff --git a/lib/sqlalchemy/ext/automap.py b/lib/sqlalchemy/ext/automap.py
index 7cb2c4400..b62c514c7 100644
--- a/lib/sqlalchemy/ext/automap.py
+++ b/lib/sqlalchemy/ext/automap.py
@@ -717,7 +717,7 @@ def generate_relationship(
         raise TypeError("Unknown relationship function: %s" % return_fn)
 
 
-class AutomapBase(object):
+class AutomapBase:
     """Base class for an "automap" schema.
 
     The :class:`.AutomapBase` class can be compared to the "declarative base"
diff --git a/lib/sqlalchemy/ext/baked.py b/lib/sqlalchemy/ext/baked.py
index 61328fce9..efdafff96 100644
--- a/lib/sqlalchemy/ext/baked.py
+++ b/lib/sqlalchemy/ext/baked.py
@@ -30,7 +30,7 @@ from ..util import collections_abc
 log = logging.getLogger(__name__)
 
 
-class Bakery(object):
+class Bakery:
     """Callable which returns a :class:`.BakedQuery`.
 
     This object is returned by the class method
@@ -52,7 +52,7 @@ class Bakery(object):
         return self.cls(self.cache, initial_fn, args)
 
 
-class BakedQuery(object):
+class BakedQuery:
     """A builder object for :class:`.query.Query` objects."""
 
     __slots__ = "steps", "_bakery", "_cache_key", "_spoiled"
@@ -309,7 +309,7 @@ class BakedQuery(object):
         return query
 
 
-class Result(object):
+class Result:
     """Invokes a :class:`.BakedQuery` against a :class:`.Session`.
 
     The :class:`_baked.Result` object is where the actual :class:`.query.Query`
diff --git a/lib/sqlalchemy/ext/compiler.py b/lib/sqlalchemy/ext/compiler.py
index 354b0ca4a..d961e2c81 100644
--- a/lib/sqlalchemy/ext/compiler.py
+++ b/lib/sqlalchemy/ext/compiler.py
@@ -416,7 +416,7 @@ def deregister(class_):
         del class_._compiler_dispatcher
 
 
-class _dispatcher(object):
+class _dispatcher:
     def __init__(self):
         self.specs = {}
 
diff --git a/lib/sqlalchemy/ext/declarative/extensions.py b/lib/sqlalchemy/ext/declarative/extensions.py
index 1a12b1205..1862592f5 100644
--- a/lib/sqlalchemy/ext/declarative/extensions.py
+++ b/lib/sqlalchemy/ext/declarative/extensions.py
@@ -37,7 +37,7 @@ def instrument_declarative(cls, cls_registry, metadata):
     )
 
 
-class ConcreteBase(object):
+class ConcreteBase:
     """A helper class for 'concrete' declarative mappings.
 
     :class:`.ConcreteBase` will use the :func:`.polymorphic_union`
@@ -315,7 +315,7 @@ class AbstractConcreteBase(ConcreteBase):
         )
 
 
-class DeferredReflection(object):
+class DeferredReflection:
     """A helper class for construction of mappings based on
     a deferred reflection step.
 
diff --git a/lib/sqlalchemy/ext/hybrid.py b/lib/sqlalchemy/ext/hybrid.py
index eab3f2b73..67c42cde6 100644
--- a/lib/sqlalchemy/ext/hybrid.py
+++ b/lib/sqlalchemy/ext/hybrid.py
@@ -137,7 +137,7 @@ usage of the absolute value function::
 
     from sqlalchemy import func
 
-    class Interval(object):
+    class Interval:
         # ...
 
         @hybrid_property
@@ -166,7 +166,7 @@ object for class-level expressions::
    the new hybrid with the additional state will be attached to the class
    with the non-matching name. To use the example above::
 
-    class Interval(object):
+    class Interval:
         # ...
 
         @hybrid_property
@@ -189,7 +189,7 @@ Defining Setters
 Hybrid properties can also define setter methods.  If we wanted
 ``length`` above, when set, to modify the endpoint value::
 
-    class Interval(object):
+    class Interval:
         # ...
 
         @hybrid_property
@@ -231,7 +231,7 @@ accommodate a value passed to :meth:`_query.Query.update` which can affect
 this, using the :meth:`.hybrid_property.update_expression` decorator.
 A handler that works similarly to our setter would be::
 
-    class Interval(object):
+    class Interval:
         # ...
 
         @hybrid_property
@@ -267,7 +267,7 @@ above.
    of the hybrid must match that of how it is accessed.    Something
    like this wouldn't work::
 
-        class Interval(object):
+        class Interval:
             # ...
 
             def _get(self):
@@ -849,7 +849,7 @@ class hybrid_method(interfaces.InspectionAttrInfo):
 
             from sqlalchemy.ext.hybrid import hybrid_method
 
-            class SomeClass(object):
+            class SomeClass:
                 @hybrid_method
                 def value(self, x, y):
                     return self._value + x + y
@@ -902,7 +902,7 @@ class hybrid_property(interfaces.InspectionAttrInfo):
 
             from sqlalchemy.ext.hybrid import hybrid_property
 
-            class SomeClass(object):
+            class SomeClass:
                 @hybrid_property
                 def value(self):
                     return self._value
@@ -958,7 +958,7 @@ class hybrid_property(interfaces.InspectionAttrInfo):
         to be used without conflicting with the same-named attributes
         normally present on the :class:`.QueryableAttribute`::
 
-            class SuperClass(object):
+            class SuperClass:
                 # ...
 
                 @hybrid_property
diff --git a/lib/sqlalchemy/ext/instrumentation.py b/lib/sqlalchemy/ext/instrumentation.py
index 54f3e64c5..72448fbdc 100644
--- a/lib/sqlalchemy/ext/instrumentation.py
+++ b/lib/sqlalchemy/ext/instrumentation.py
@@ -193,7 +193,7 @@ orm_instrumentation._instrumentation_factory = (
 orm_instrumentation.instrumentation_finders = instrumentation_finders
 
 
-class InstrumentationManager(object):
+class InstrumentationManager:
     """User-defined class instrumentation extension.
 
     :class:`.InstrumentationManager` can be subclassed in order
diff --git a/lib/sqlalchemy/ext/mutable.py b/lib/sqlalchemy/ext/mutable.py
index 4eed3b2af..7e277d379 100644
--- a/lib/sqlalchemy/ext/mutable.py
+++ b/lib/sqlalchemy/ext/mutable.py
@@ -113,7 +113,7 @@ mapping against the ``my_data`` table::
 
     from sqlalchemy import mapper
 
-    class MyDataClass(object):
+    class MyDataClass:
         pass
 
     # associates mutation listeners with MyDataClass.data
@@ -286,7 +286,7 @@ objects to each of the ``Vertex.start`` and ``Vertex.end`` attributes::
         Column('y2', Integer),
         )
 
-    class Vertex(object):
+    class Vertex:
         pass
 
     mapper(Vertex, vertices, properties={
@@ -366,7 +366,7 @@ from ..sql.base import SchemaEventTarget
 from ..util import memoized_property
 
 
-class MutableBase(object):
+class MutableBase:
     """Common base class to :class:`.Mutable`
     and :class:`.MutableComposite`.