python: code format fixes

4 files changed, 16 insertions, 14 deletions

diff --git a/python/knot_resolver/datamodel/types/types.py b/python/knot_resolver/datamodel/types/types.py
index 1a125720..dc3227fd 100644
--- a/python/knot_resolver/datamodel/types/types.py
+++ b/python/knot_resolver/datamodel/types/types.py
@@ -208,9 +208,9 @@ class InterfacePort(StrBase):
                 try:
                     self.if_name = InterfaceName(parts[0])
                 except ValueError as e2:
-                    raise ValueError(
-                        f"expected IP address or interface name, got '{parts[0]}'.", object_path
-                    ) from e1 and e2
+                    raise ValueError(f"expected IP address or interface name, got '{parts[0]}'.", object_path) from (
+                        e1 and e2
+                    )
             self.port = PortNumber.from_str(parts[1], object_path)
         else:
             raise ValueError(f"expected '<ip-address|interface-name>@<port>', got '{source_value}'.", object_path)
@@ -232,9 +232,9 @@ class InterfaceOptionalPort(StrBase):
                 try:
                     self.if_name = InterfaceName(parts[0])
                 except ValueError as e2:
-                    raise ValueError(
-                        f"expected IP address or interface name, got '{parts[0]}'.", object_path
-                    ) from e1 and e2
+                    raise ValueError(f"expected IP address or interface name, got '{parts[0]}'.", object_path) from (
+                        e1 and e2
+                    )
             if len(parts) == 2:
                 self.port = PortNumber.from_str(parts[1], object_path)
         else:
diff --git a/python/knot_resolver/manager/manager.py b/python/knot_resolver/manager/manager.py
index 74d90ec3..e8be4001 100644
--- a/python/knot_resolver/manager/manager.py
+++ b/python/knot_resolver/manager/manager.py
@@ -233,7 +233,6 @@ class KresManager:  # pylint: disable=too-many-instance-attributes
             await self._collect_already_running_workers()
 
     async def reset_workers_policy_rules(self, _config: KresConfig) -> None:
-
         # command all running 'kresd' workers to reset their old policy rules,
         # unless the workers have already been started with a new config so reset is not needed
         if self._workers_reset_needed and get_registered_workers_kresids():
@@ -249,7 +248,6 @@ class KresManager:  # pylint: disable=too-many-instance-attributes
             )
 
     async def set_new_tls_sticket_secret(self, config: KresConfig) -> None:
-
         if config.network.tls.sticket_secret or config.network.tls.sticket_secret_file:
             logger.debug("User-configured TLS resumption secret found - skipping auto-generation.")
             return
@@ -282,7 +280,9 @@ class KresManager:  # pylint: disable=too-many-instance-attributes
             elif self._fix_counter.is_too_high():
                 logger.error(f"Failed to apply config: {e}")
                 logger.error("There have already been problems recently, refusing to try to fix it.")
-                await self.forced_shutdown()  # possible improvement - the person who requested this change won't get a response this way
+                await (
+                    self.forced_shutdown()
+                )  # possible improvement - the person who requested this change won't get a response this way
             else:
                 logger.error(f"Failed to apply config: {e}")
                 logger.warning("Reloading system state and trying again.")
diff --git a/python/knot_resolver/manager/metrics/prometheus.py b/python/knot_resolver/manager/metrics/prometheus.py
index ba5f6334..dbdb0810 100644
--- a/python/knot_resolver/manager/metrics/prometheus.py
+++ b/python/knot_resolver/manager/metrics/prometheus.py
@@ -19,11 +19,15 @@ if importlib.util.find_spec("prometheus_client"):
 logger = logging.getLogger(__name__)
 
 if _prometheus_client:
-
     from prometheus_client import exposition  # type: ignore
     from prometheus_client.bridge.graphite import GraphiteBridge  # type: ignore
-    from prometheus_client.core import GaugeMetricFamily  # type: ignore
-    from prometheus_client.core import REGISTRY, CounterMetricFamily, HistogramMetricFamily, Metric
+    from prometheus_client.core import (
+        REGISTRY,
+        CounterMetricFamily,
+        GaugeMetricFamily,  # type: ignore
+        HistogramMetricFamily,
+        Metric,
+    )
 
     _graphite_bridge: Optional[GraphiteBridge] = None
 
diff --git a/python/knot_resolver/manager/server.py b/python/knot_resolver/manager/server.py
index 18a2aebc..bc75c882 100644
--- a/python/knot_resolver/manager/server.py
+++ b/python/knot_resolver/manager/server.py
@@ -241,7 +241,6 @@ class Server:
         raise web.HTTPMovedPermanently("/metrics/json")
 
     async def _handler_metrics_json(self, _request: web.Request) -> web.Response:
-
         config = self.config_store.get()
 
         return web.Response(
@@ -251,7 +250,6 @@ class Server:
         )
 
     async def _handler_metrics_prometheus(self, _request: web.Request) -> web.Response:
-
         metrics_report = await metrics.report_prometheus()
         if not metrics_report:
             raise web.HTTPNotFound()