Rename Client to APIClient

Signed-off-by: Ben Firshman <ben@firshman.co.uk>

docker/__init__.py

+# flake8: noqa
+from .api import APIClient
 from .version import version, version_info
 
 __version__ = version
 __title__ = 'docker-py'
-
-from .client import Client, from_env  # flake8: noqa

docker/api/__init__.py

 # flake8: noqa
-from .build import BuildApiMixin
-from .container import ContainerApiMixin
-from .daemon import DaemonApiMixin
-from .exec_api import ExecApiMixin
-from .image import ImageApiMixin
-from .network import NetworkApiMixin
-from .service import ServiceApiMixin
-from .swarm import SwarmApiMixin
-from .volume import VolumeApiMixin
+from .client import APIClient

docker/client.py → docker/api/client.py

@@ -8,41 +8,59 @@ import requests.exceptions
 import six
 import websocket
 
-
-from . import api, auth, constants, errors, ssladapter
-from .tls import TLSConfig
-from .transport import UnixAdapter
-from .utils import utils, check_resource, update_headers, kwargs_from_env
-from .utils.socket import frames_iter
+from .build import BuildApiMixin
+from .container import ContainerApiMixin
+from .daemon import DaemonApiMixin
+from .exec_api import ExecApiMixin
+from .image import ImageApiMixin
+from .network import NetworkApiMixin
+from .service import ServiceApiMixin
+from .swarm import SwarmApiMixin
+from .volume import VolumeApiMixin
+from .. import auth, ssladapter
+from ..constants import (DEFAULT_TIMEOUT_SECONDS, DEFAULT_USER_AGENT,
+                         IS_WINDOWS_PLATFORM, DEFAULT_DOCKER_API_VERSION,
+                         STREAM_HEADER_SIZE_BYTES, DEFAULT_NUM_POOLS,
+                         MINIMUM_DOCKER_API_VERSION)
+from ..errors import DockerException, APIError, TLSParameterError, NotFound
+from ..tls import TLSConfig
+from ..transport import UnixAdapter
+from ..utils import utils, check_resource, update_headers, kwargs_from_env
+from ..utils.socket import frames_iter
 try:
-    from .transport import NpipeAdapter
+    from ..transport import NpipeAdapter
 except ImportError:
     pass
 
 
 def from_env(**kwargs):
-    return Client.from_env(**kwargs)
+    return APIClient.from_env(**kwargs)
 
 
-class Client(
+class APIClient(
         requests.Session,
-        api.BuildApiMixin,
-        api.ContainerApiMixin,
-        api.DaemonApiMixin,
-        api.ExecApiMixin,
-        api.ImageApiMixin,
-        api.NetworkApiMixin,
-        api.ServiceApiMixin,
-        api.SwarmApiMixin,
-        api.VolumeApiMixin):
+        BuildApiMixin,
+        ContainerApiMixin,
+        DaemonApiMixin,
+        ExecApiMixin,
+        ImageApiMixin,
+        NetworkApiMixin,
+        ServiceApiMixin,
+        SwarmApiMixin,
+        VolumeApiMixin):
+    """
+    A low-level client for the Docker Remote API.
+
+    Each method maps one-to-one with a REST API endpoint, so calling each
+    method results in a single API call.
+    """
     def __init__(self, base_url=None, version=None,
-                 timeout=constants.DEFAULT_TIMEOUT_SECONDS, tls=False,
-                 user_agent=constants.DEFAULT_USER_AGENT,
-                 num_pools=constants.DEFAULT_NUM_POOLS):
-        super(Client, self).__init__()
+                 timeout=DEFAULT_TIMEOUT_SECONDS, tls=False,
+                 user_agent=DEFAULT_USER_AGENT, num_pools=DEFAULT_NUM_POOLS):
+        super(APIClient, self).__init__()
 
         if tls and not base_url:
-            raise errors.TLSParameterError(
+            raise TLSParameterError(
                 'If using TLS, the base_url argument must be provided.'
             )
 
@@ -53,7 +71,7 @@ class Client(
         self._auth_configs = auth.load_config()
 
         base_url = utils.parse_host(
-            base_url, constants.IS_WINDOWS_PLATFORM, tls=bool(tls)
+            base_url, IS_WINDOWS_PLATFORM, tls=bool(tls)
         )
         if base_url.startswith('http+unix://'):
             self._custom_adapter = UnixAdapter(
@@ -63,8 +81,8 @@ class Client(
             self._unmount('http://', 'https://')
             self.base_url = 'http+docker://localunixsocket'
         elif base_url.startswith('npipe://'):
-            if not constants.IS_WINDOWS_PLATFORM:
-                raise errors.DockerException(
+            if not IS_WINDOWS_PLATFORM:
+                raise DockerException(
                     'The npipe:// protocol is only supported on Windows'
                 )
             try:
@@ -72,7 +90,7 @@ class Client(
                     base_url, timeout, pool_connections=num_pools
                 )
             except NameError:
-                raise errors.DockerException(
+                raise DockerException(
                     'Install pypiwin32 package to enable npipe:// support'
                 )
             self.mount('http+docker://', self._custom_adapter)
@@ -90,24 +108,24 @@ class Client(
 
         # version detection needs to be after unix adapter mounting
         if version is None:
-            self._version = constants.DEFAULT_DOCKER_API_VERSION
+            self._version = DEFAULT_DOCKER_API_VERSION
         elif isinstance(version, six.string_types):
             if version.lower() == 'auto':
                 self._version = self._retrieve_server_version()
             else:
                 self._version = version
         else:
-            raise errors.DockerException(
+            raise DockerException(
                 'Version parameter must be a string or None. Found {0}'.format(
                     type(version).__name__
                 )
             )
-        if utils.version_lt(self._version, constants.MINIMUM_DOCKER_API_VERSION):
+        if utils.version_lt(self._version, MINIMUM_DOCKER_API_VERSION):
             warnings.warn(
                 'The minimum API version supported is {}, but you are using '
                 'version {}. It is recommended you either upgrade Docker '
                 'Engine or use an older version of docker-py.'.format(
-                    constants.MINIMUM_DOCKER_API_VERSION, self._version)
+                    MINIMUM_DOCKER_API_VERSION, self._version)
             )
 
     @classmethod
@@ -121,12 +139,12 @@ class Client(
         try:
             return self.version(api_version=False)["ApiVersion"]
         except KeyError:
-            raise errors.DockerException(
+            raise DockerException(
                 'Invalid response from docker daemon: key "ApiVersion"'
                 ' is missing.'
             )
         except Exception as e:
-            raise errors.DockerException(
+            raise DockerException(
                 'Error while fetching server API version: {0}'.format(e)
             )
 
@@ -176,8 +194,8 @@ class Client(
             response.raise_for_status()
         except requests.exceptions.HTTPError as e:
             if e.response.status_code == 404:
-                raise errors.NotFound(e, response, explanation=explanation)
-            raise errors.APIError(e, response, explanation=explanation)
+                raise NotFound(e, response, explanation=explanation)
+            raise APIError(e, response, explanation=explanation)
 
     def _result(self, response, json=False, binary=False):
         assert not (json and binary)
@@ -282,7 +300,7 @@ class Client(
             if len(buf[walker:]) < 8:
                 break
             _, length = struct.unpack_from('>BxxxL', buf[walker:])
-            start = walker + constants.STREAM_HEADER_SIZE_BYTES
+            start = walker + STREAM_HEADER_SIZE_BYTES
             end = start + length
             walker = end
             yield buf[start:end]
@@ -297,7 +315,7 @@ class Client(
         self._disable_socket_timeout(socket)
 
         while True:
-            header = response.raw.read(constants.STREAM_HEADER_SIZE_BYTES)
+            header = response.raw.read(STREAM_HEADER_SIZE_BYTES)
             if not header:
                 break
             _, length = struct.unpack('>BxxxL', header)
@@ -390,7 +408,7 @@ class Client(
 
     def get_adapter(self, url):
         try:
-            return super(Client, self).get_adapter(url)
+            return super(APIClient, self).get_adapter(url)
         except requests.exceptions.InvalidSchema as e:
             if self._custom_adapter:
                 return self._custom_adapter

tests/integration/api_test.py → tests/integration/api_client_test.py

@@ -25,7 +25,7 @@ class InformationTest(BaseIntegrationTest):
         self.assertIn('Debug', res)
 
     def test_search(self):
-        client = docker.from_env(timeout=10)
+        client = docker.APIClient(timeout=10, **kwargs_from_env())
         res = client.search('busybox')
         self.assertTrue(len(res) >= 1)
         base_img = [x for x in res if x['name'] == 'busybox']
@@ -114,7 +114,7 @@ class LoadConfigTest(BaseIntegrationTest):
 
 class AutoDetectVersionTest(unittest.TestCase):
     def test_client_init(self):
-        client = docker.from_env(version='auto')
+        client = docker.APIClient(version='auto', **kwargs_from_env())
         client_version = client._version
         api_version = client.version(api_version=False)['ApiVersion']
         self.assertEqual(client_version, api_version)
@@ -126,7 +126,7 @@ class AutoDetectVersionTest(unittest.TestCase):
 class ConnectionTimeoutTest(unittest.TestCase):
     def setUp(self):
         self.timeout = 0.5
-        self.client = docker.client.Client(base_url='http://192.168.10.2:4243',
+        self.client = docker.api.APIClient(base_url='http://192.168.10.2:4243',
                                            timeout=self.timeout)
 
     def test_timeout(self):
@@ -155,7 +155,7 @@ class UnixconnTest(unittest.TestCase):
         with warnings.catch_warnings(record=True) as w:
             warnings.simplefilter('always')
 
-            client = docker.from_env()
+            client = docker.APIClient(**kwargs_from_env())
             client.images()
             client.close()
             del client

tests/integration/healthcheck_test.py → tests/integration/api_healthcheck_test.py

-from .base import BaseIntegrationTest
-from .base import BUSYBOX
+from .base import BaseAPIIntegrationTest, BUSYBOX
 from .. import helpers
 
 SECOND = 1000000000
@@ -12,7 +11,7 @@ def wait_on_health_status(client, container, status):
     return helpers.wait_on_condition(condition)
 
 
-class HealthcheckTest(BaseIntegrationTest):
+class HealthcheckTest(BaseAPIIntegrationTest):
 
     @helpers.requires_api_version('1.24')
     def test_healthcheck_shell_command(self):

tests/integration/base.py

@@ -2,6 +2,7 @@ import shutil
 import unittest
 
 import docker
+from docker.utils import kwargs_from_env
 import six
 
 
@@ -23,7 +24,7 @@ class BaseIntegrationTest(unittest.TestCase):
         if six.PY2:
             self.assertRegex = self.assertRegexpMatches
             self.assertCountEqual = self.assertItemsEqual
-        self.client = docker.from_env(timeout=60)
+        self.client = docker.APIClient(timeout=60, **kwargs_from_env())
         self.tmp_imgs = []
         self.tmp_containers = []
         self.tmp_folders = []

tests/integration/conftest.py

@@ -4,6 +4,7 @@ import sys
 import warnings
 
 import docker.errors
+from docker.utils import kwargs_from_env
 import pytest
 
 from .base import BUSYBOX
@@ -12,7 +13,7 @@ from .base import BUSYBOX
 @pytest.fixture(autouse=True, scope='session')
 def setup_test_session():
     warnings.simplefilter('error')
-    c = docker.from_env()
+    c = docker.APIClient(**kwargs_from_env())
     try:
         c.inspect_image(BUSYBOX)
     except docker.errors.NotFound:

tests/unit/client_test.py → tests/unit/api_client_test.py

 import os
 import unittest
 
-from docker.client import Client
+from docker.api import APIClient
 
 TEST_CERT_DIR = os.path.join(
     os.path.dirname(__file__),
@@ -23,14 +23,14 @@ class ClientTest(unittest.TestCase):
         os.environ.update(DOCKER_HOST='tcp://192.168.59.103:2376',
                           DOCKER_CERT_PATH=TEST_CERT_DIR,
                           DOCKER_TLS_VERIFY='1')
-        client = Client.from_env()
+        client = APIClient.from_env()
         self.assertEqual(client.base_url, "https://192.168.59.103:2376")
 
     def test_from_env_with_version(self):
         os.environ.update(DOCKER_HOST='tcp://192.168.59.103:2376',
                           DOCKER_CERT_PATH=TEST_CERT_DIR,
                           DOCKER_TLS_VERIFY='1')
-        client = Client.from_env(version='2.32')
+        client = APIClient.from_env(version='2.32')
         self.assertEqual(client.base_url, "https://192.168.59.103:2376")
         self.assertEqual(client._version, '2.32')
 
@@ -47,7 +47,7 @@ class DisableSocketTest(unittest.TestCase):
             return self.timeout
 
     def setUp(self):
-        self.client = Client()
+        self.client = APIClient()
 
     def test_disable_socket_timeout(self):
         """Test that the timeout is disabled on a generic socket object."""

tests/unit/container_test.py → tests/unit/api_container_test.py

@@ -1244,7 +1244,7 @@ class ContainerTest(DockerClientTest):
         )
 
     def test_logs(self):
-        with mock.patch('docker.Client.inspect_container',
+        with mock.patch('docker.api.client.APIClient.inspect_container',
                         fake_inspect_container):
             logs = self.client.logs(fake_api.FAKE_CONTAINER_ID)
 
@@ -1263,7 +1263,7 @@ class ContainerTest(DockerClientTest):
         )
 
     def test_logs_with_dict_instead_of_id(self):
-        with mock.patch('docker.Client.inspect_container',
+        with mock.patch('docker.api.client.APIClient.inspect_container',
                         fake_inspect_container):
             logs = self.client.logs({'Id': fake_api.FAKE_CONTAINER_ID})
 
@@ -1282,7 +1282,7 @@ class ContainerTest(DockerClientTest):
         )
 
     def test_log_streaming(self):
-        with mock.patch('docker.Client.inspect_container',
+        with mock.patch('docker.api.client.APIClient.inspect_container',
                         fake_inspect_container):
             self.client.logs(fake_api.FAKE_CONTAINER_ID, stream=True,
                              follow=False)
@@ -1297,7 +1297,7 @@ class ContainerTest(DockerClientTest):
         )
 
     def test_log_following(self):
-        with mock.patch('docker.Client.inspect_container',
+        with mock.patch('docker.api.client.APIClient.inspect_container',
                         fake_inspect_container):
             self.client.logs(fake_api.FAKE_CONTAINER_ID, stream=False,
                              follow=True)
@@ -1312,7 +1312,7 @@ class ContainerTest(DockerClientTest):
         )
 
     def test_log_following_backwards(self):
-        with mock.patch('docker.Client.inspect_container',
+        with mock.patch('docker.api.client.APIClient.inspect_container',
                         fake_inspect_container):
             self.client.logs(fake_api.FAKE_CONTAINER_ID, stream=True)
 
@@ -1326,7 +1326,7 @@ class ContainerTest(DockerClientTest):
         )
 
     def test_log_streaming_and_following(self):
-        with mock.patch('docker.Client.inspect_container',
+        with mock.patch('docker.api.client.APIClient.inspect_container',
                         fake_inspect_container):
             self.client.logs(fake_api.FAKE_CONTAINER_ID, stream=True,
                              follow=True)
@@ -1342,7 +1342,7 @@ class ContainerTest(DockerClientTest):
 
     def test_log_tail(self):
 
-        with mock.patch('docker.Client.inspect_container',
+        with mock.patch('docker.api.client.APIClient.inspect_container',
                         fake_inspect_container):
             self.client.logs(fake_api.FAKE_CONTAINER_ID, stream=False,
                              follow=False, tail=10)
@@ -1358,7 +1358,7 @@ class ContainerTest(DockerClientTest):
 
     def test_log_since(self):
         ts = 809222400
-        with mock.patch('docker.Client.inspect_container',
+        with mock.patch('docker.api.client.APIClient.inspect_container',
                         fake_inspect_container):
             self.client.logs(fake_api.FAKE_CONTAINER_ID, stream=False,
                              follow=False, since=ts)
@@ -1375,7 +1375,7 @@ class ContainerTest(DockerClientTest):
     def test_log_since_with_datetime(self):
         ts = 809222400
         time = datetime.datetime.utcfromtimestamp(ts)
-        with mock.patch('docker.Client.inspect_container',
+        with mock.patch('docker.api.client.APIClient.inspect_container',
                         fake_inspect_container):
             self.client.logs(fake_api.FAKE_CONTAINER_ID, stream=False,
                              follow=False, since=time)
@@ -1391,9 +1391,9 @@ class ContainerTest(DockerClientTest):
 
     def test_log_tty(self):
         m = mock.Mock()
-        with mock.patch('docker.Client.inspect_container',
+        with mock.patch('docker.api.client.APIClient.inspect_container',
                         fake_inspect_container_tty):
-            with mock.patch('docker.Client._stream_raw_result',
+            with mock.patch('docker.api.client.APIClient._stream_raw_result',
                             m):
                 self.client.logs(fake_api.FAKE_CONTAINER_ID,
                                  follow=True, stream=True)

tests/unit/network_test.py → tests/unit/api_network_test.py

@@ -33,7 +33,7 @@ class NetworkTest(DockerClientTest):
         get = mock.Mock(return_value=response(
             status_code=200, content=json.dumps(networks).encode('utf-8')))
 
-        with mock.patch('docker.Client.get', get):
+        with mock.patch('docker.api.client.APIClient.get', get):
             self.assertEqual(self.client.networks(), networks)
 
             self.assertEqual(get.call_args[0][0], url_prefix + 'networks')
@@ -59,7 +59,7 @@ class NetworkTest(DockerClientTest):
         network_response = response(status_code=200, content=network_data)
         post = mock.Mock(return_value=network_response)
 
-        with mock.patch('docker.Client.post', post):
+        with mock.patch('docker.api.client.APIClient.post', post):
             result = self.client.create_network('foo')
             self.assertEqual(result, network_data)
 
@@ -109,7 +109,7 @@ class NetworkTest(DockerClientTest):
         network_id = 'abc12345'
         delete = mock.Mock(return_value=response(status_code=200))
 
-        with mock.patch('docker.Client.delete', delete):
+        with mock.patch('docker.api.client.APIClient.delete', delete):
             self.client.remove_network(network_id)
 
         args = delete.call_args
@@ -130,7 +130,7 @@ class NetworkTest(DockerClientTest):
         network_response = response(status_code=200, content=network_data)
         get = mock.Mock(return_value=network_response)
 
-        with mock.patch('docker.Client.get', get):
+        with mock.patch('docker.api.client.APIClient.get', get):
             result = self.client.inspect_network(network_id)
             self.assertEqual(result, network_data)
 
@@ -145,7 +145,7 @@ class NetworkTest(DockerClientTest):
 
         post = mock.Mock(return_value=response(status_code=201))
 
-        with mock.patch('docker.Client.post', post):
+        with mock.patch('docker.api.client.APIClient.post', post):
             self.client.connect_container_to_network(
                 {'Id': container_id},
                 network_id,
@@ -174,7 +174,7 @@ class NetworkTest(DockerClientTest):
 
         post = mock.Mock(return_value=response(status_code=201))
 
-        with mock.patch('docker.Client.post', post):
+        with mock.patch('docker.api.client.APIClient.post', post):
             self.client.disconnect_container_from_network(
                 {'Id': container_id}, network_id)
 

tests/unit/api_test.py

@@ -11,6 +11,7 @@ import time
 import unittest
 
 import docker
+from docker.api import APIClient
 import requests
 from requests.packages import urllib3
 import six
@@ -95,12 +96,15 @@ url_prefix = '{0}v{1}/'.format(
 class DockerClientTest(unittest.TestCase):
     def setUp(self):
         self.patcher = mock.patch.multiple(
-            'docker.Client', get=fake_get, post=fake_post, put=fake_put,
+            'docker.api.client.APIClient',
+            get=fake_get,
+            post=fake_post,
+            put=fake_put,
             delete=fake_delete,
             _read_from_socket=fake_read_from_socket
         )
         self.patcher.start()
-        self.client = docker.Client()
+        self.client = APIClient()
         # Force-clear authconfig to avoid tampering with the tests
         self.client._cfg = {'Configs': {}}
 
@@ -122,7 +126,7 @@ class DockerClientTest(unittest.TestCase):
 class DockerApiTest(DockerClientTest):
     def test_ctor(self):
         with pytest.raises(docker.errors.DockerException) as excinfo:
-            docker.Client(version=1.12)
+            APIClient(version=1.12)
 
         self.assertEqual(
             str(excinfo.value),
@@ -189,7 +193,7 @@ class DockerApiTest(DockerClientTest):
         )
 
     def test_retrieve_server_version(self):
-        client = docker.Client(version="auto")
+        client = APIClient(version="auto")
         self.assertTrue(isinstance(client._version, six.string_types))
         self.assertFalse(client._version == "auto")
         client.close()
@@ -269,27 +273,27 @@ class DockerApiTest(DockerClientTest):
         return socket_adapter.socket_path
 
     def test_url_compatibility_unix(self):
-        c = docker.Client(base_url="unix://socket")
+        c = APIClient(base_url="unix://socket")
 
         assert self._socket_path_for_client_session(c) == '/socket'
 
     def test_url_compatibility_unix_triple_slash(self):
-        c = docker.Client(base_url="unix:///socket")
+        c = APIClient(base_url="unix:///socket")
 
         assert self._socket_path_for_client_session(c) == '/socket'
 
     def test_url_compatibility_http_unix_triple_slash(self):
-        c = docker.Client(base_url="http+unix:///socket")
+        c = APIClient(base_url="http+unix:///socket")
 
         assert self._socket_path_for_client_session(c) == '/socket'
 
     def test_url_compatibility_http(self):
-        c = docker.Client(base_url="http://hostname:1234")
+        c = APIClient(base_url="http://hostname:1234")
 
         assert c.base_url == "http://hostname:1234"
 
     def test_url_compatibility_tcp(self):
-        c = docker.Client(base_url="tcp://hostname:1234")
+        c = APIClient(base_url="tcp://hostname:1234")
 
         assert c.base_url == "http://hostname:1234"
 
@@ -435,7 +439,7 @@ class StreamTest(unittest.TestCase):
             b'\r\n'
         ) + b'\r\n'.join(lines)
 
-        with docker.Client(base_url="http+unix://" + self.socket_file) \
+        with APIClient(base_url="http+unix://" + self.socket_file) \
                 as client:
             for i in range(5):
                 try:
@@ -455,7 +459,7 @@ class StreamTest(unittest.TestCase):
 class UserAgentTest(unittest.TestCase):
     def setUp(self):
         self.patcher = mock.patch.object(
-            docker.Client,
+            APIClient,
             'send',
             return_value=fake_resp("GET", "%s/version" % fake_api.prefix)
         )
@@ -465,7 +469,7 @@ class UserAgentTest(unittest.TestCase):
         self.patcher.stop()
 
     def test_default_user_agent(self):
-        client = docker.Client()
+        client = APIClient()
         client.version()
 
         self.assertEqual(self.mock_send.call_count, 1)
@@ -474,7 +478,7 @@ class UserAgentTest(unittest.TestCase):
         self.assertEqual(headers['User-Agent'], expected)
 
     def test_custom_user_agent(self):
-        client = docker.Client(user_agent='foo/bar')
+        client = APIClient(user_agent='foo/bar')
         client.version()
 
         self.assertEqual(self.mock_send.call_count, 1)

tests/unit/utils_test.py

@@ -13,10 +13,8 @@ import unittest
 import pytest
 import six
 
-from docker.client import Client
-from docker.constants import (
-    DEFAULT_DOCKER_API_VERSION, IS_WINDOWS_PLATFORM
-)
+from docker.api.client import APIClient
+from docker.constants import DEFAULT_DOCKER_API_VERSION, IS_WINDOWS_PLATFORM
 from docker.errors import DockerException, InvalidVersion
 from docker.utils import (
     parse_repository_tag, parse_host, convert_filters, kwargs_from_env,
@@ -47,7 +45,7 @@ class DecoratorsTest(unittest.TestCase):
         def f(self, headers=None):
             return headers
 
-        client = Client()
+        client = APIClient()
         client._auth_configs = {}
 
         g = update_headers(f)
@@ -305,7 +303,7 @@ class KwargsFromEnvTest(unittest.TestCase):
         self.assertEqual(False, kwargs['tls'].assert_hostname)
         self.assertTrue(kwargs['tls'].verify)
         try:
-            client = Client(**kwargs)
+            client = APIClient(**kwargs)
             self.assertEqual(kwargs['base_url'], client.base_url)
             self.assertEqual(kwargs['tls'].ca_cert, client.verify)
             self.assertEqual(kwargs['tls'].cert, client.cert)
@@ -324,7 +322,7 @@ class KwargsFromEnvTest(unittest.TestCase):
         self.assertEqual(True, kwargs['tls'].assert_hostname)
         self.assertEqual(False, kwargs['tls'].verify)
         try:
-            client = Client(**kwargs)
+            client = APIClient(**kwargs)
             self.assertEqual(kwargs['base_url'], client.base_url)
             self.assertEqual(kwargs['tls'].cert, client.cert)
             self.assertFalse(kwargs['tls'].verify)
@@ -821,6 +819,7 @@ class PortsTest(unittest.TestCase):
         self.assertEqual(port_bindings["1000"], [("127.0.0.1", "1000")])
         self.assertEqual(port_bindings["2000"], [("127.0.0.1", "2000")])
 
+
 def convert_paths(collection):
     if not IS_WINDOWS_PLATFORM:
         return collection
@@ -1093,7 +1092,7 @@ class TarTest(unittest.TestCase):
             )
 
 
-class FormatEnvironmentTest(base.BaseTestCase):
+class FormatEnvironmentTest(unittest.TestCase):
     def test_format_env_binary_unicode_value(self):
         env_dict = {
             'ARTIST_NAME': b'\xec\x86\xa1\xec\xa7\x80\xec\x9d\x80'