Fix lint errors

Author: DanielArndt

tests/base.py

@@ -4,8 +4,6 @@
 from contextlib import contextmanager
 from pathlib import Path
 
-import mock
-
 import pytest
 from juju.client.jujudata import FileJujuData
 from juju.controller import Controller

tests/integration/test_client.py

@@ -1,7 +1,5 @@
 from juju.client import client
 
-import pytest
-
 from .. import base
 
 

tests/integration/test_juju.py

@@ -1,5 +1,3 @@
-import pytest
-
 from juju.controller import Controller
 from juju.juju import Juju
 from .. import base

tests/unit/test_bundle.py

@@ -5,7 +5,6 @@
 
 import yaml
 
-import pytest
 from juju.bundle import (
     AddApplicationChange,
     AddCharmChange,
@@ -24,8 +23,6 @@
 from juju.client import client
 from toposort import CircularDependencyError
 
-from .. import base
-
 
 class TestChangeSet(unittest.TestCase):
 

tests/unit/test_connection.py

@@ -9,8 +9,6 @@
 
 import pytest
 
-from .. import base
-
 
 class WebsocketMock:
     def __init__(self, responses):

tests/unit/test_controller.py

@@ -7,8 +7,6 @@
 from juju.client import client
 from juju.controller import Controller
 
-from .. import base
-
 
 class TestControllerConnect(unittest.IsolatedAsyncioTestCase):
     @mock.patch('juju.controller.Controller.update_endpoints')

tests/unit/test_machine.py

@@ -1,5 +1,4 @@
 import mock
-import pytest
 
 from juju.model import Model
 from juju.machine import Machine

tests/unit/test_model.py

@@ -12,8 +12,6 @@
 from juju import jasyncio
 from juju.errors import JujuConnectionError, JujuError
 
-from .. import base
-
 
 def _make_delta(entity, type_, data=None):
     from juju.client.client import Delta

tests/unit/test_unit.py

@@ -1,12 +1,9 @@
 import mock
-import pytest
 
 from juju.client._definitions import FullStatus
 from juju.model import Model
 from juju.unit import Unit
 
-from .. import base
-
 
 @mock.patch('juju.client.client.ClientFacade')
 async def test_unit_is_leader(mock_cf):