L2SS-1258: Fix black errors

tangostationcontrol/tangostationcontrol/devices/temperature_manager.py

@@ -142,7 +142,9 @@ class TemperatureManager(LOFARDevice):
                 dev_attr = self.temp_error_attrs[attr_name]
                 dev_attr.proxy.unsubscribe_event(dev_attr.subscription_id)
             except Exception as e:
-                raise Exception(f"Failed to unsubscribe from event regarding device {dev_attr.proxy.dev_name()} attribute {attr_name}") from e
+                raise Exception(
+                    f"Failed to unsubscribe from event regarding device {dev_attr.proxy.dev_name()} attribute {attr_name}"
+                ) from e
             finally:
                 del self.temp_error_attrs[attr_name]