fix option flow

custom_components/bluetti_bt/config_flow.py

@@ -128,6 +128,10 @@ class BluettiConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 class OptionsFlowHandler(config_entries.OptionsFlow):
     """Handle a option flow."""
 
+    def __init__(self, config_entry: config_entries.ConfigEntry) -> None:
+        """Initialize options flow."""
+        super().__init__()
+
     async def async_step_init(
         self, user_input: dict[str, Any] | None = None
     ) -> FlowResult: