style(charm): run the linter

vm_operator/src/charm.py

@@ -8,21 +8,20 @@
 """
 
 import logging
+import os
 import secrets
+import shutil
+from os import environ
+from pathlib import Path
+from subprocess import CalledProcessError, check_output
 
 import ops
-
-from pathlib import Path
-from git import Repo
-import shutil
-from charms.operator_libs_linux.v0 import apt, systemd
 from charms.data_platform_libs.v0.data_interfaces import DatabaseCreatedEvent, DatabaseRequires
-from ops.model import MaintenanceStatus, BlockedStatus, ActiveStatus
-from ops.framework import StoredState
-from subprocess import check_output, CalledProcessError
-import os
-from os import environ
+from charms.operator_libs_linux.v0 import apt, systemd
+from git import Repo
 from jinja2 import Template
+from ops.framework import StoredState
+from ops.model import ActiveStatus, BlockedStatus, MaintenanceStatus
 
 logger = logging.getLogger(__name__)
 

vm_operator/tests/unit/test_charm.py

@@ -1,17 +1,16 @@
+import os
 import unittest
-
-import logging
 from pathlib import Path
 from unittest import mock
-from unittest.mock import Mock, call, mock_open, patch
+from unittest.mock import call, mock_open, patch
+
+from charm import APP_PATH, CARGO_PATH, UNIT_PATH, RatingsCharm
 from charms.data_platform_libs.v0.data_interfaces import DatabaseCreatedEvent
-from charm import RatingsCharm, UNIT_PATH, APP_PATH, CARGO_PATH
-from charms.operator_libs_linux.v0 import apt, systemd
+from charms.operator_libs_linux.v0 import apt
 from ops.model import ActiveStatus, BlockedStatus, MaintenanceStatus, WaitingStatus
-import os
-from os import environ
 from ops.testing import Harness
 
+
 class MockDatabaseEvent:
     def __init__(self, id, name="database"):
         self.name = name
@@ -266,14 +265,14 @@ def test_ratings_jwt_secret_create(self):
     @mock.patch("charms.operator_libs_linux.v0.systemd.service_restart")
     @mock.patch("charm.check_output")
     @mock.patch("charm.Repo")
-    def test_on_pull_and_rebuild(self, _MockRepo, _check, _restart):
+    def test_on_pull_and_rebuild(self, _mock_repo, _check, _restart):
 
         # Can't mock chain in the @mock.patch, so set up chaining manually for pull
         mock_pull = mock.Mock()
         mock_origin = mock.Mock(pull=mock_pull)
         mock_remotes = mock.Mock(origin=mock_origin)
 
-        _MockRepo.return_value.remotes = mock_remotes  # Set up mock chaining
+        _mock_repo.return_value.remotes = mock_remotes  # Set up mock chaining
 
         # Create event mock
         mock_event = mock.Mock()