Remove some old unnecessary explicit object superclasses.

11 files changed, 19 insertions, 19 deletions

diff --git a/docs/validate.rst b/docs/validate.rst
index a3eebd7..a343b30 100644
--- a/docs/validate.rst
+++ b/docs/validate.rst
@@ -88,7 +88,7 @@ existing `TypeChecker` or create a new one. You may then create a new
 
     from jsonschema import validators
 
-    class MyInteger(object):
+    class MyInteger:
         pass
 
     def is_my_int(checker, instance):
diff --git a/jsonschema/_format.py b/jsonschema/_format.py
index da4bb79..f687b74 100644
--- a/jsonschema/_format.py
+++ b/jsonschema/_format.py
@@ -16,7 +16,7 @@ _RaisesType = typing.Union[
 ]
 
 
-class FormatChecker(object):
+class FormatChecker:
     """
     A ``format`` property checker.
 
diff --git a/jsonschema/_types.py b/jsonschema/_types.py
index 9d59eb3..e858290 100644
--- a/jsonschema/_types.py
+++ b/jsonschema/_types.py
@@ -67,7 +67,7 @@ def is_any(checker, instance):
 
 
 @attr.s(frozen=True)
-class TypeChecker(object):
+class TypeChecker:
     """
     A ``type`` property checker.
 
diff --git a/jsonschema/_utils.py b/jsonschema/_utils.py
index 7e11325..418348c 100644
--- a/jsonschema/_utils.py
+++ b/jsonschema/_utils.py
@@ -43,7 +43,7 @@ class URIDict(MutableMapping):
         return repr(self.store)
 
 
-class Unset(object):
+class Unset:
     """
     An as-of-yet unset attribute or unprovided default parameter.
     """
diff --git a/jsonschema/cli.py b/jsonschema/cli.py
index f19b680..9f75752 100644
--- a/jsonschema/cli.py
+++ b/jsonschema/cli.py
@@ -30,7 +30,7 @@ class _CannotLoadFile(Exception):
 
 
 @attr.s
-class _Outputter(object):
+class _Outputter:
 
     _formatter = attr.ib()
     _stdout = attr.ib()
@@ -72,7 +72,7 @@ class _Outputter(object):
 
 
 @attr.s
-class _PrettyFormatter(object):
+class _PrettyFormatter:
 
     _ERROR_MSG = dedent(
         """\
@@ -114,7 +114,7 @@ class _PrettyFormatter(object):
 
 
 @attr.s
-class _PlainFormatter(object):
+class _PlainFormatter:
 
     _error_format = attr.ib()
 
diff --git a/jsonschema/exceptions.py b/jsonschema/exceptions.py
index d1351c4..bb66950 100644
--- a/jsonschema/exceptions.py
+++ b/jsonschema/exceptions.py
@@ -237,7 +237,7 @@ class FormatError(Exception):
         return self.message
 
 
-class ErrorTree(object):
+class ErrorTree:
     """
     ErrorTrees make it easier to check which validations failed.
     """
diff --git a/jsonschema/tests/_suite.py b/jsonschema/tests/_suite.py
index a2148ba..0ee72b7 100644
--- a/jsonschema/tests/_suite.py
+++ b/jsonschema/tests/_suite.py
@@ -36,7 +36,7 @@ def _find_suite():
 
 
 @attr.s(hash=True)
-class Suite(object):
+class Suite:
 
     _root = attr.ib(default=attr.Factory(_find_suite))
 
@@ -63,7 +63,7 @@ class Suite(object):
 
 
 @attr.s(hash=True)
-class Version(object):
+class Version:
 
     _path = attr.ib()
     _remotes = attr.ib()
@@ -140,7 +140,7 @@ class Version(object):
 
 
 @attr.s(hash=True, repr=False)
-class _Test(object):
+class _Test:
 
     version = attr.ib()
 
diff --git a/jsonschema/tests/test_cli.py b/jsonschema/tests/test_cli.py
index b0e08c4..b4b59f7 100644
--- a/jsonschema/tests/test_cli.py
+++ b/jsonschema/tests/test_cli.py
@@ -29,7 +29,7 @@ from jsonschema.validators import _LATEST_VERSION, validate
 def fake_validator(*errors):
     errors = list(reversed(errors))
 
-    class FakeValidator(object):
+    class FakeValidator:
         def __init__(self, *args, **kwargs):
             pass
 
diff --git a/jsonschema/tests/test_exceptions.py b/jsonschema/tests/test_exceptions.py
index 521f445..d7b9deb 100644
--- a/jsonschema/tests/test_exceptions.py
+++ b/jsonschema/tests/test_exceptions.py
@@ -563,7 +563,7 @@ class TestErrorInitReprStr(TestCase):
         that returned truthy values.
         """
 
-        class DontEQMeBro(object):
+        class DontEQMeBro:
             def __eq__(this, other):  # pragma: no cover
                 self.fail("Don't!")
 
diff --git a/jsonschema/tests/test_validators.py b/jsonschema/tests/test_validators.py
index e4f60ea..d49dba0 100644
--- a/jsonschema/tests/test_validators.py
+++ b/jsonschema/tests/test_validators.py
@@ -1406,7 +1406,7 @@ class TestValidationErrorDetails(TestCase):
         )
 
 
-class MetaSchemaTestsMixin(object):
+class MetaSchemaTestsMixin:
     # TODO: These all belong upstream
     def test_invalid_properties(self):
         with self.assertRaises(exceptions.SchemaError):
@@ -1504,7 +1504,7 @@ class ValidatorTestMixin(MetaSchemaTestsMixin, object):
         resolution.
         """
 
-        class LegacyRefResolver(object):
+        class LegacyRefResolver:
             @contextmanager
             def resolving(this, ref):
                 self.assertEqual(ref, "the ref")
@@ -1677,7 +1677,7 @@ class ValidatorTestMixin(MetaSchemaTestsMixin, object):
                 validator.validate(instance)
 
 
-class AntiDraft6LeakMixin(object):
+class AntiDraft6LeakMixin:
     """
     Make sure functionality from draft 6 doesn't leak backwards in time.
     """
@@ -2202,7 +2202,7 @@ def sorted_errors(errors):
 
 
 @attr.s
-class ReallyFakeRequests(object):
+class ReallyFakeRequests:
 
     _responses = attr.ib()
 
@@ -2214,7 +2214,7 @@ class ReallyFakeRequests(object):
 
 
 @attr.s
-class _ReallyFakeJSONResponse(object):
+class _ReallyFakeJSONResponse:
 
     _response = attr.ib()
 
diff --git a/jsonschema/validators.py b/jsonschema/validators.py
index e6d5370..abdcb4c 100644
--- a/jsonschema/validators.py
+++ b/jsonschema/validators.py
@@ -662,7 +662,7 @@ Draft202012Validator = create(
 _LATEST_VERSION = Draft202012Validator
 
 
-class RefResolver(object):
+class RefResolver:
     """
     Resolve JSON References.