No more (object)ions

34 files changed, 61 insertions, 61 deletions

diff --git a/paramiko/_winapi.py b/paramiko/_winapi.py
index 96284b69..37cbb9c9 100644
--- a/paramiko/_winapi.py
+++ b/paramiko/_winapi.py
@@ -130,7 +130,7 @@ ctypes.windll.kernel32.LocalFree.argtypes = (ctypes.wintypes.HLOCAL,)
 # jaraco.windows.mmap
 
 
-class MemoryMap(object):
+class MemoryMap:
     """
     A memory map object which can have security attributes overridden.
     """
diff --git a/paramiko/agent.py b/paramiko/agent.py
index 31a16e2e..f2d57ea5 100644
--- a/paramiko/agent.py
+++ b/paramiko/agent.py
@@ -54,7 +54,7 @@ ALGORITHM_FLAG_MAP = {
 }
 
 
-class AgentSSH(object):
+class AgentSSH:
     def __init__(self):
         self._conn = None
         self._keys = ()
@@ -232,7 +232,7 @@ def get_agent_connection():
         return
 
 
-class AgentClientProxy(object):
+class AgentClientProxy:
     """
     Class proxying request as a client:
 
@@ -325,7 +325,7 @@ class AgentServerProxy(AgentSSH):
         return self._file
 
 
-class AgentRequestHandler(object):
+class AgentRequestHandler:
     """
     Primary/default implementation of SSH agent forwarding functionality.
 
diff --git a/paramiko/auth_handler.py b/paramiko/auth_handler.py
index 18c83293..02ab810c 100644
--- a/paramiko/auth_handler.py
+++ b/paramiko/auth_handler.py
@@ -73,7 +73,7 @@ from paramiko.server import InteractiveQuery
 from paramiko.ssh_gss import GSSAuth, GSS_EXCEPTIONS
 
 
-class AuthHandler(object):
+class AuthHandler:
     """
     Internal class to handle the mechanics of authentication.
     """
@@ -839,7 +839,7 @@ Error Message: {}
             return self._client_handler_table
 
 
-class GssapiWithMicAuthHandler(object):
+class GssapiWithMicAuthHandler:
     """A specialized Auth handler for gssapi-with-mic
 
     During the GSSAPI token exchange we need a modified dispatch table,
diff --git a/paramiko/ber.py b/paramiko/ber.py
index ce6d7007..b8287f5d 100644
--- a/paramiko/ber.py
+++ b/paramiko/ber.py
@@ -26,7 +26,7 @@ class BERException(Exception):
     pass
 
 
-class BER(object):
+class BER:
     """
     Robey's tiny little attempt at a BER decoder.
     """
diff --git a/paramiko/buffered_pipe.py b/paramiko/buffered_pipe.py
index 79854ada..c19279c0 100644
--- a/paramiko/buffered_pipe.py
+++ b/paramiko/buffered_pipe.py
@@ -36,7 +36,7 @@ class PipeTimeout(IOError):
     pass
 
 
-class BufferedPipe(object):
+class BufferedPipe:
     """
     A buffer that obeys normal read (with timeout) & close semantics for a
     file or socket, but is fed data from another thread.  This is used by
diff --git a/paramiko/client.py b/paramiko/client.py
index 73909219..2dd25e91 100644
--- a/paramiko/client.py
+++ b/paramiko/client.py
@@ -784,7 +784,7 @@ class SSHClient(ClosingContextManager):
         self._transport._log(level, msg)
 
 
-class MissingHostKeyPolicy(object):
+class MissingHostKeyPolicy:
     """
     Interface for defining the policy that `.SSHClient` should use when the
     SSH server's hostname is not in either the system host keys or the
diff --git a/paramiko/compress.py b/paramiko/compress.py
index 7fe26db1..18ff4843 100644
--- a/paramiko/compress.py
+++ b/paramiko/compress.py
@@ -23,7 +23,7 @@ Compression implementations for a Transport.
 import zlib
 
 
-class ZlibCompressor(object):
+class ZlibCompressor:
     def __init__(self):
         # Use the default level of zlib compression
         self.z = zlib.compressobj()
@@ -32,7 +32,7 @@ class ZlibCompressor(object):
         return self.z.compress(data) + self.z.flush(zlib.Z_FULL_FLUSH)
 
 
-class ZlibDecompressor(object):
+class ZlibDecompressor:
     def __init__(self):
         self.z = zlib.decompressobj()
 
diff --git a/paramiko/config.py b/paramiko/config.py
index d523e9c2..09be9fcb 100644
--- a/paramiko/config.py
+++ b/paramiko/config.py
@@ -43,7 +43,7 @@ from .ssh_exception import CouldNotCanonicalize, ConfigParseError
 SSH_PORT = 22
 
 
-class SSHConfig(object):
+class SSHConfig:
     """
     Representation of config information as stored in the format used by
     OpenSSH. Queries can be made via `lookup`. The format is described in
@@ -584,7 +584,7 @@ def _addressfamily_host_lookup(hostname, options):
         pass
 
 
-class LazyFqdn(object):
+class LazyFqdn:
     """
     Returns the host's fqdn on request as string.
     """
diff --git a/paramiko/ecdsakey.py b/paramiko/ecdsakey.py
index ad84fe31..e2279754 100644
--- a/paramiko/ecdsakey.py
+++ b/paramiko/ecdsakey.py
@@ -36,7 +36,7 @@ from paramiko.ssh_exception import SSHException
 from paramiko.util import deflate_long
 
 
-class _ECDSACurve(object):
+class _ECDSACurve:
     """
     Represents a specific ECDSA Curve (nistp256, nistp384, etc).
 
@@ -63,7 +63,7 @@ class _ECDSACurve(object):
         self.curve_class = curve_class
 
 
-class _ECDSACurveSet(object):
+class _ECDSACurveSet:
     """
     A collection to hold the ECDSA curves. Allows querying by oid and by key
     format identifier. The two ways in which ECDSAKey needs to be able to look
diff --git a/paramiko/kex_curve25519.py b/paramiko/kex_curve25519.py
index bb1b5423..20c23e42 100644
--- a/paramiko/kex_curve25519.py
+++ b/paramiko/kex_curve25519.py
@@ -17,7 +17,7 @@ _MSG_KEXECDH_INIT, _MSG_KEXECDH_REPLY = range(30, 32)
 c_MSG_KEXECDH_INIT, c_MSG_KEXECDH_REPLY = [byte_chr(c) for c in range(30, 32)]
 
 
-class KexCurve25519(object):
+class KexCurve25519:
     hash_algo = hashlib.sha256
 
     def __init__(self, transport):
diff --git a/paramiko/kex_gex.py b/paramiko/kex_gex.py
index aa68efa5..baa0803d 100644
--- a/paramiko/kex_gex.py
+++ b/paramiko/kex_gex.py
@@ -48,7 +48,7 @@ from paramiko.ssh_exception import SSHException
 ) = [byte_chr(c) for c in range(30, 35)]
 
 
-class KexGex(object):
+class KexGex:
 
     name = "diffie-hellman-group-exchange-sha1"
     min_bits = 1024
diff --git a/paramiko/kex_group1.py b/paramiko/kex_group1.py
index f4ac4944..f0742566 100644
--- a/paramiko/kex_group1.py
+++ b/paramiko/kex_group1.py
@@ -37,7 +37,7 @@ b7fffffffffffffff = byte_chr(0x7F) + max_byte * 7
 b0000000000000000 = zero_byte * 8
 
 
-class KexGroup1(object):
+class KexGroup1:
 
     # draft-ietf-secsh-transport-09.txt, page 17
     P = 0xFFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF  # noqa
diff --git a/paramiko/kex_gss.py b/paramiko/kex_gss.py
index a826cc0a..e3fbb36e 100644
--- a/paramiko/kex_gss.py
+++ b/paramiko/kex_gss.py
@@ -73,7 +73,7 @@ from paramiko.ssh_exception import SSHException
 ]
 
 
-class KexGSSGroup1(object):
+class KexGSSGroup1:
     """
     GSS-API / SSPI Authenticated Diffie-Hellman Key Exchange as defined in `RFC
     4462 Section 2 <https://tools.ietf.org/html/rfc4462.html#section-2>`_
@@ -333,7 +333,7 @@ class KexGSSGroup14(KexGSSGroup1):
     NAME = "gss-group14-sha1-toWM5Slw5Ew8Mqkay+al2g=="
 
 
-class KexGSSGex(object):
+class KexGSSGex:
     """
     GSS-API / SSPI Authenticated Diffie-Hellman Group Exchange as defined in
     `RFC 4462 Section 2 <https://tools.ietf.org/html/rfc4462.html#section-2>`_
@@ -669,7 +669,7 @@ Error Message: {}
         )
 
 
-class NullHostKey(object):
+class NullHostKey:
     """
     This class represents the Null Host Key for GSS-API Key Exchange as defined
     in `RFC 4462 Section 5
diff --git a/paramiko/message.py b/paramiko/message.py
index cdefe4f8..8c2b3bd0 100644
--- a/paramiko/message.py
+++ b/paramiko/message.py
@@ -28,7 +28,7 @@ from paramiko.common import zero_byte, max_byte, one_byte
 from paramiko.util import u
 
 
-class Message(object):
+class Message:
     """
     An SSH2 message is a stream of bytes that encodes some combination of
     strings, integers, bools, and infinite-precision integers.  This class
diff --git a/paramiko/packet.py b/paramiko/packet.py
index a8db2582..9125301e 100644
--- a/paramiko/packet.py
+++ b/paramiko/packet.py
@@ -62,7 +62,7 @@ def first_arg(e):
     return arg
 
 
-class Packetizer(object):
+class Packetizer:
     """
     Implementation of the base SSH packet protocol.
     """
diff --git a/paramiko/pipe.py b/paramiko/pipe.py
index 3905949d..65944fad 100644
--- a/paramiko/pipe.py
+++ b/paramiko/pipe.py
@@ -38,7 +38,7 @@ def make_pipe():
     return p
 
 
-class PosixPipe(object):
+class PosixPipe:
     def __init__(self):
         self._rfd, self._wfd = os.pipe()
         self._set = False
@@ -71,7 +71,7 @@ class PosixPipe(object):
         self.set()
 
 
-class WindowsPipe(object):
+class WindowsPipe:
     """
     On Windows, only an OS-level "WinSock" may be used in select(), but reads
     and writes must be to the actual socket object.
@@ -118,7 +118,7 @@ class WindowsPipe(object):
         self.set()
 
 
-class OrPipe(object):
+class OrPipe:
     def __init__(self, pipe):
         self._set = False
         self._partner = None
diff --git a/paramiko/pkey.py b/paramiko/pkey.py
index 2d189d9a..dd4b4315 100644
--- a/paramiko/pkey.py
+++ b/paramiko/pkey.py
@@ -59,7 +59,7 @@ def _unpad_openssh(data):
     return data[:-padding_length]
 
 
-class PKey(object):
+class PKey:
     """
     Base class for public keys.
     """
@@ -655,7 +655,7 @@ class PKey(object):
 # Of little value in the case of standard public keys
 # {ssh-rsa, ssh-dss, ssh-ecdsa, ssh-ed25519}, but should
 # provide rudimentary support for {*-cert.v01}
-class PublicBlob(object):
+class PublicBlob:
     """
     OpenSSH plain public key or OpenSSH signed public key (certificate).
 
diff --git a/paramiko/primes.py b/paramiko/primes.py
index 388029c9..663c58ed 100644
--- a/paramiko/primes.py
+++ b/paramiko/primes.py
@@ -49,7 +49,7 @@ def _roll_random(n):
     return num
 
 
-class ModulusPack(object):
+class ModulusPack:
     """
     convenience object for holding the contents of the /etc/ssh/moduli file,
     on systems that have such a file.
diff --git a/paramiko/server.py b/paramiko/server.py
index 68f5ae92..b68607e1 100644
--- a/paramiko/server.py
+++ b/paramiko/server.py
@@ -31,7 +31,7 @@ from paramiko.common import (
 )
 
 
-class ServerInterface(object):
+class ServerInterface:
     """
     This class defines an interface for controlling the behavior of Paramiko
     in server mode.
@@ -593,7 +593,7 @@ class ServerInterface(object):
         return (None, None)
 
 
-class InteractiveQuery(object):
+class InteractiveQuery:
     """
     A query (set of prompts) for a user during interactive authentication.
     """
diff --git a/paramiko/sftp.py b/paramiko/sftp.py
index c557d282..2ce8c477 100644
--- a/paramiko/sftp.py
+++ b/paramiko/sftp.py
@@ -130,7 +130,7 @@ class SFTPError(Exception):
     pass
 
 
-class BaseSFTP(object):
+class BaseSFTP:
     def __init__(self):
         self.logger = util.get_logger("paramiko.sftp")
         self.sock = None
diff --git a/paramiko/sftp_attr.py b/paramiko/sftp_attr.py
index 51c26e88..a8d3ecf1 100644
--- a/paramiko/sftp_attr.py
+++ b/paramiko/sftp_attr.py
@@ -21,7 +21,7 @@ import time
 from paramiko.common import x80000000, o700, o70, xffffffff
 
 
-class SFTPAttributes(object):
+class SFTPAttributes:
     """
     Representation of the attributes of a file (or proxied file) for SFTP in
     client or server mode.  It attemps to mirror the object returned by
diff --git a/paramiko/sftp_si.py b/paramiko/sftp_si.py
index 3199310a..95d8113e 100644
--- a/paramiko/sftp_si.py
+++ b/paramiko/sftp_si.py
@@ -25,7 +25,7 @@ import sys
 from paramiko.sftp import SFTP_OP_UNSUPPORTED
 
 
-class SFTPServerInterface(object):
+class SFTPServerInterface:
     """
     This class defines an interface for controlling the behavior of paramiko
     when using the `.SFTPServer` subsystem to provide an SFTP server.
diff --git a/paramiko/ssh_gss.py b/paramiko/ssh_gss.py
index 4f1581c3..ee49c34d 100644
--- a/paramiko/ssh_gss.py
+++ b/paramiko/ssh_gss.py
@@ -107,7 +107,7 @@ def GSSAuth(auth_method, gss_deleg_creds=True):
         raise ImportError("Unable to import a GSS-API / SSPI module!")
 
 
-class _SSH_GSSAuth(object):
+class _SSH_GSSAuth:
     """
     Contains the shared variables and methods of `._SSH_GSSAPI_OLD`,
     `._SSH_GSSAPI_NEW` and `._SSH_SSPI`.
diff --git a/paramiko/transport.py b/paramiko/transport.py
index 6097fc29..247cc1a0 100644
--- a/paramiko/transport.py
+++ b/paramiko/transport.py
@@ -3007,7 +3007,7 @@ class Transport(threading.Thread, ClosingContextManager):
 # TODO 3.0: drop this, we barely use it ourselves, it badly replicates the
 # Transport-internal algorithm management, AND does so in a way which doesn't
 # honor newer things like disabled_algorithms!
-class SecurityOptions(object):
+class SecurityOptions:
     """
     Simple object containing the security preferences of an ssh transport.
     These are tuples of acceptable ciphers, digests, key types, and key
@@ -3088,7 +3088,7 @@ class SecurityOptions(object):
         self._set("_preferred_compression", "_compression_info", x)
 
 
-class ChannelMap(object):
+class ChannelMap:
     def __init__(self):
         # (id -> Channel)
         self._map = weakref.WeakValueDictionary()
diff --git a/paramiko/util.py b/paramiko/util.py
index 9d9b0064..f6125eb1 100644
--- a/paramiko/util.py
+++ b/paramiko/util.py
@@ -258,7 +258,7 @@ def log_to_file(filename, level=DEBUG):
 
 
 # make only one filter object, so it doesn't get applied more than once
-class PFilter(object):
+class PFilter:
     def filter(self, record):
         record._threadid = get_thread_id()
         return True
@@ -293,7 +293,7 @@ def constant_time_bytes_eq(a, b):
     return res == 0
 
 
-class ClosingContextManager(object):
+class ClosingContextManager:
     def __enter__(self):
         return self
 
diff --git a/paramiko/win_pageant.py b/paramiko/win_pageant.py
index 5a085939..c927de65 100644
--- a/paramiko/win_pageant.py
+++ b/paramiko/win_pageant.py
@@ -111,7 +111,7 @@ def _query_pageant(msg):
         return None
 
 
-class PageantConnection(object):
+class PageantConnection:
     """
     Mock "connection" to an agent which roughly approximates the behavior of
     a unix local-domain socket (as used by Agent).  Requests are sent to the
diff --git a/tests/loop.py b/tests/loop.py
index 51dc6308..a3740013 100644
--- a/tests/loop.py
+++ b/tests/loop.py
@@ -22,7 +22,7 @@ import threading
 from paramiko.util import asbytes
 
 
-class LoopSocket(object):
+class LoopSocket:
     """
     A LoopSocket looks like a normal socket, but all data written to it is
     delivered on the read-end of another LoopSocket, and vice versa.  It's
diff --git a/tests/test_channelfile.py b/tests/test_channelfile.py
index 65929416..e2b6306c 100644
--- a/tests/test_channelfile.py
+++ b/tests/test_channelfile.py
@@ -3,7 +3,7 @@ from unittest.mock import patch, MagicMock
 from paramiko import Channel, ChannelFile, ChannelStderrFile, ChannelStdinFile
 
 
-class ChannelFileBase(object):
+class ChannelFileBase:
     @patch("paramiko.channel.ChannelFile._set_mode")
     def test_defaults_to_unbuffered_reading(self, setmode):
         self.klass(Channel(None))
@@ -31,7 +31,7 @@ class TestChannelFile(ChannelFileBase):
     klass = ChannelFile
 
 
-class TestChannelStderrFile(object):
+class TestChannelStderrFile:
     def test_read_calls_channel_recv_stderr(self):
         chan = MagicMock()
         cf = ChannelStderrFile(chan)
diff --git a/tests/test_config.py b/tests/test_config.py
index 67a03e63..2fd875e8 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -52,7 +52,7 @@ def load_config(name):
     return SSHConfig.from_path(_config(name))
 
 
-class TestSSHConfig(object):
+class TestSSHConfig:
     def setup(self):
         self.config = load_config("robey")
 
@@ -511,7 +511,7 @@ Host *
         assert result["hostname"] == "prefix.whatever"
 
 
-class TestSSHConfigDict(object):
+class TestSSHConfigDict:
     def test_SSHConfigDict_construct_empty(self):
         assert not SSHConfigDict()
 
@@ -570,7 +570,7 @@ Host *
         assert config.lookup("anything-else").as_int("port") == 3333
 
 
-class TestHostnameCanonicalization(object):
+class TestHostnameCanonicalization:
     # NOTE: this class uses on-disk configs, and ones with real (at time of
     # writing) DNS names, so that one can easily test OpenSSH's behavior using
     # "ssh -F path/to/file.config -G <target>".
@@ -669,7 +669,7 @@ class TestHostnameCanonicalization(object):
 
 
 @mark.skip
-class TestCanonicalizationOfCNAMEs(object):
+class TestCanonicalizationOfCNAMEs:
     def test_permitted_cnames_may_be_one_to_one_mapping(self):
         # CanonicalizePermittedCNAMEs *.foo.com:*.bar.com
         pass
@@ -695,7 +695,7 @@ class TestCanonicalizationOfCNAMEs(object):
         pass
 
 
-class TestMatchAll(object):
+class TestMatchAll:
     def test_always_matches(self):
         result = load_config("match-all").lookup("general")
         assert result["user"] == "awesome"
@@ -745,7 +745,7 @@ def _expect(success_on):
 
 
 @mark.skipif(Result is None, reason="requires invoke package")
-class TestMatchExec(object):
+class TestMatchExec:
     @patch("paramiko.config.invoke", new=None)
     @patch("paramiko.config.invoke_import_error", new=ImportError("meh"))
     def test_raises_invoke_ImportErrors_at_runtime(self):
@@ -825,7 +825,7 @@ class TestMatchExec(object):
         assert result["hostname"] == "pingable.target"
 
 
-class TestMatchHost(object):
+class TestMatchHost:
     def test_matches_target_name_when_no_hostname(self):
         result = load_config("match-host").lookup("target")
         assert result["user"] == "rand"
@@ -875,7 +875,7 @@ class TestMatchHost(object):
             load_config("match-host-no-arg")
 
 
-class TestMatchOriginalHost(object):
+class TestMatchOriginalHost:
     def test_matches_target_host_not_hostname(self):
         result = load_config("match-orighost").lookup("target")
         assert result["hostname"] == "bogus"
@@ -908,7 +908,7 @@ class TestMatchOriginalHost(object):
             load_config("match-orighost-no-arg")
 
 
-class TestMatchUser(object):
+class TestMatchUser:
     def test_matches_configured_username(self):
         result = load_config("match-user-explicit").lookup("anything")
         assert result["hostname"] == "dumb"
@@ -955,7 +955,7 @@ class TestMatchUser(object):
 
 # NOTE: highly derivative of previous suite due to the former's use of
 # localuser fallback. Doesn't seem worth conflating/refactoring right now.
-class TestMatchLocalUser(object):
+class TestMatchLocalUser:
     @patch("paramiko.config.getpass.getuser")
     def test_matches_local_username(self, getuser):
         getuser.return_value = "gandalf"
@@ -996,7 +996,7 @@ class TestMatchLocalUser(object):
             load_config("match-localuser-no-arg")
 
 
-class TestComplexMatching(object):
+class TestComplexMatching:
     # NOTE: this is still a cherry-pick of a few levels of complexity, there's
     # no point testing literally all possible combinations.
 
diff --git a/tests/test_kex.py b/tests/test_kex.py
index 45a691f2..c3bf2b0f 100644
--- a/tests/test_kex.py
+++ b/tests/test_kex.py
@@ -69,7 +69,7 @@ def dummy_generate_key_pair(obj):
     )
 
 
-class FakeKey(object):
+class FakeKey:
     def __str__(self):
         return "fake-key"
 
@@ -80,7 +80,7 @@ class FakeKey(object):
         return b"fake-sig"
 
 
-class FakeModulusPack(object):
+class FakeModulusPack:
     P = 0xFFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF  # noqa
     G = 2
 
@@ -88,7 +88,7 @@ class FakeModulusPack(object):
         return self.G, self.P
 
 
-class FakeTransport(object):
+class FakeTransport:
     local_version = "SSH-2.0-paramiko_1.0"
     remote_version = "SSH-2.0-lame"
     local_kex_init = "local-kex-init"
diff --git a/tests/test_proxy.py b/tests/test_proxy.py
index d50cc562..83bdc040 100644
--- a/tests/test_proxy.py
+++ b/tests/test_proxy.py
@@ -7,7 +7,7 @@ from pytest import raises
 from paramiko import ProxyCommand, ProxyCommandFailure
 
 
-class TestProxyCommand(object):
+class TestProxyCommand:
     @patch("paramiko.proxy.subprocess")
     def test_init_takes_command_string(self, subprocess):
         ProxyCommand(command_line="do a thing")
diff --git a/tests/test_sftp.py b/tests/test_sftp.py
index 5767c00b..2cd68d94 100644
--- a/tests/test_sftp.py
+++ b/tests/test_sftp.py
@@ -93,7 +93,7 @@ utf8_folder = b"/\xc3\xbcnic\xc3\xb8\x64\x65"
 
 
 @slow
-class TestSFTP(object):
+class TestSFTP:
     def test_file(self, sftp):
         """
         verify that we can create a file.
diff --git a/tests/test_sftp_big.py b/tests/test_sftp_big.py
index d2d30f24..5f55a6fc 100644
--- a/tests/test_sftp_big.py
+++ b/tests/test_sftp_big.py
@@ -34,7 +34,7 @@ from .util import slow
 
 
 @slow
-class TestBigSFTP(object):
+class TestBigSFTP:
     def test_lots_of_files(self, sftp):
         """
         create a bunch of files over the same session.
diff --git a/tests/util.py b/tests/util.py
index 79ce2c61..0639f8ae 100644
--- a/tests/util.py
+++ b/tests/util.py
@@ -61,7 +61,7 @@ if (
 ):  # add other vars as needed
 
     # The environment provides the required information
-    class DummyK5Realm(object):
+    class DummyK5Realm:
         def __init__(self):
             for k in os.environ:
                 if not k.startswith("K5TEST_"):