diff --git a/custom_components/oasis_mini/__init__.py b/custom_components/oasis_mini/__init__.py
index 79b9bb0..7caeb10 100644
--- a/custom_components/oasis_mini/__init__.py
+++ b/custom_components/oasis_mini/__init__.py
@@ -41,7 +41,7 @@ PLATFORMS = [
 def setup_platform_from_coordinator(
     entry: OasisDeviceConfigEntry,
     async_add_entities: AddEntitiesCallback,
-    make_entities: Callable[[list[OasisDevice]], Iterable[OasisDeviceEntity]],
+    make_entities: Callable[[Iterable[OasisDevice]], Iterable[OasisDeviceEntity]],
     update_before_add: bool = False,
 ) -> None:
     """
@@ -110,11 +110,10 @@ async def async_setup_entry(hass: HomeAssistant, entry: OasisDeviceConfigEntry)
         raise
 
     mqtt_client = OasisMqttClient()
-    mqtt_client.start()
-
     coordinator = OasisDeviceCoordinator(hass, cloud_client, mqtt_client)
 
     try:
+        mqtt_client.start()
         await coordinator.async_config_entry_first_refresh()
     except Exception:
         await mqtt_client.async_close()
@@ -182,7 +181,9 @@ async def async_remove_entry(
     await cloud_client.async_close()
 
 
-async def async_migrate_entry(hass: HomeAssistant, entry: OasisDeviceConfigEntry):
+async def async_migrate_entry(
+    hass: HomeAssistant, entry: OasisDeviceConfigEntry
+) -> bool:
     """
     Migrate an Oasis config entry to the current schema (minor version 3).
 
diff --git a/custom_components/oasis_mini/coordinator.py b/custom_components/oasis_mini/coordinator.py
index 702cd0e..5bbec8e 100644
--- a/custom_components/oasis_mini/coordinator.py
+++ b/custom_components/oasis_mini/coordinator.py
@@ -161,7 +161,7 @@ class OasisDeviceCoordinator(DataUpdateCoordinator[list[OasisDevice]]):
 
         except UpdateFailed:
             raise
-        except Exception as ex:  # noqa: BLE001
+        except Exception as ex:
             if self.attempt > 2 or not (devices or self.data):
                 raise UpdateFailed(
                     "Unexpected error talking to Oasis devices "
diff --git a/pyproject.toml b/pyproject.toml
index a033f8b..6349121 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,6 @@
+[tool.ruff.flake8-unused-arguments]
+ignore-variadic-names = true
+
 [tool.ruff.lint.isort]
 force-sort-within-sections = true
 known-first-party = ["homeassistant", "tests"]
@@ -7,7 +10,4 @@ split-on-trailing-comma = false
 
 [tool.pylint."MESSAGES CONTROL"]
 # abstract-method - with intro of async there are always methods missing
-disable = [
-    "abstract-method",
-    "unexpected-keyword-arg",
-]
\ No newline at end of file
+disable = ["abstract-method", "unexpected-keyword-arg"]