Fix setup error by moving an import back into the setup function

homeassistant/components/homekit/__init__.py

@@ -29,7 +29,6 @@ from homeassistant.helpers.entityfilter import FILTER_SCHEMA
 from homeassistant.util import get_local_ip
 from homeassistant.util.decorator import Registry
 
-from .accessories import HomeBridge, HomeDriver
 from .const import (
     BRIDGE_NAME,
     CONF_ADVERTISE_IP,
@@ -303,6 +302,11 @@ class HomeKit:
 
     def setup(self):
         """Set up bridge and accessory driver."""
+        # pylint: disable=import-outside-toplevel
+        from .accessories import (
+            HomeBridge,
+            HomeDriver,
+        )
 
         self.hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, self.stop)