Fix python linter errors

checks/update/switch-to-configuration-initrd-mount-fix.patch

@@ -1,17 +1,29 @@
-diff --git a/src/main.rs b/src/main.rs
-index 8baf5924a7db..1234567890ab 100644
---- a/src/main.rs
-+++ b/src/main.rs
-@@ -1295,6 +1295,12 @@ won't take effect until you reboot the system.
+From 46ec73cdeac58807a49b738c44d2e8d5dfbc5fc8 Mon Sep 17 00:00:00 2001
+From: pinpox <git@pablo.tools>
+Date: Mon, 20 Oct 2025 16:30:22 +0200
+Subject: [PATCH] patch switch-to-configuration-ng for container tests
+
+---
+ pkgs/by-name/sw/switch-to-configuration-ng/src/src/main.rs | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/pkgs/by-name/sw/switch-to-configuration-ng/src/src/main.rs b/pkgs/by-name/sw/switch-to-configuration-ng/src/src/main.rs
+index f4d339ccf60e..c50863e15e32 100644
+--- a/pkgs/by-name/sw/switch-to-configuration-ng/src/src/main.rs
++++ b/pkgs/by-name/sw/switch-to-configuration-ng/src/src/main.rs
+@@ -1320,6 +1320,12 @@ won't take effect until you reboot the system.
  
      for (mountpoint, current_filesystem) in current_filesystems {
          // Use current version of systemctl binary before daemon is reexeced.
-+        
++
 +        // Skip filesystem comparison if x-initrd.mount is present in options
 +        if current_filesystem.options.contains("x-initrd.mount") {
 +            continue;
 +        }
-+        
++
          let unit = path_to_unit_name(&current_system_bin, &mountpoint);
          if let Some(new_filesystem) = new_filesystems.get(&mountpoint) {
-             if current_filesystem.fs_type != new_filesystem.fs_type
+             if current_filesystem.fs_type != new_filesystem.fs_type
+-- 
+2.51.0
+

lib/test/container-test-driver/test_driver/__init__.py

@@ -501,7 +501,7 @@ def setup_filesystems(container: ContainerInfo) -> None:
         if file.is_symlink():
             target = file.readlink()
             sym = container.nix_store_dir / file.name
-            os.symlink(target, sym)
+            sym.symlink_to(target)
 
     # Read /proc/mounts and replicate every bind mount
     with Path("/proc/self/mounts").open() as f:

pkgs/clan-app/clan_app/backends/http/test_http_api.py

@@ -94,7 +94,7 @@ class TestHttpBridge:
 
     def test_http_bridge_middleware_setup(self, http_bridge: tuple) -> None:
         """Test that middleware is properly set up."""
-        api, middleware_chain = http_bridge
+        _api, middleware_chain = http_bridge
 
         # Test that we can create the bridge with middleware
         # The actual HTTP handling will be tested through the server integration tests

pkgs/clan-cli/clan_cli/tests/test_machines_cli.py

@@ -144,7 +144,7 @@ def test_machine_delete(
 ) -> None:
     flake = flake_with_sops
 
-    admin_key, machine_key, machine2_key, *xs = sops_setup.keys
+    admin_key, machine_key, machine2_key, *_xs = sops_setup.keys
 
     # create a couple machines with their keys
     for name, key in (("my-machine", machine_key), ("my-machine2", machine2_key)):

pkgs/clan-cli/clan_cli/tests/test_vars.py

@@ -1418,7 +1418,7 @@ def test_shared_generator_conflicting_definition_raises_error(
     # because they have conflicting definitions for the same shared generator
     with pytest.raises(
         ClanError,
-        match=".*differ.*",
+        match=r".*differ.*",
     ):
         cli.run(["vars", "generate", "--flake", str(flake.path)])
 

pkgs/clan-cli/clan_lib/llm/test_process_chat_turn.py

@@ -790,7 +790,7 @@ class TestGetLlmFinalDecision:
         ):
             mock_agg.return_value = MagicMock(tools=[mock_schema])
 
-            function_call_results, message = get_llm_final_decision(
+            function_call_results, _message = get_llm_final_decision(
                 user_request="okay then gchq-local as controller and qube-email as moon please everything else as peer",
                 flake=mock_flake,
                 selected_service="zerotier",

pkgs/clan-cli/clan_lib/log_manager/test_log_manager.py

@@ -216,7 +216,7 @@ class TestLogFileCreation:
         configured_log_manager: LogManager,
     ) -> None:
         """Test that creating log file with unregistered group fails."""
-        with pytest.raises(ValueError, match="Group structure.*is not valid"):
+        with pytest.raises(ValueError, match=r"Group structure.*is not valid"):
             configured_log_manager.create_log_file(
                 example_function,
                 "test_op",
@@ -228,7 +228,7 @@ class TestLogFileCreation:
         configured_log_manager: LogManager,
     ) -> None:
         """Test that invalid nested structure fails."""
-        with pytest.raises(ValueError, match="Group structure.*is not valid"):
+        with pytest.raises(ValueError, match=r"Group structure.*is not valid"):
             configured_log_manager.create_log_file(
                 example_function,
                 "test_op",