Move imports to top for google_pubsub (#29498)

homeassistant/components/google_pubsub/__init__.py

@@ -5,6 +5,7 @@ import logging
 import os
 from typing import Any, Dict
 
+from google.cloud import pubsub_v1
 import voluptuous as vol
 
 from homeassistant.const import EVENT_STATE_CHANGED, STATE_UNAVAILABLE, STATE_UNKNOWN
@@ -38,7 +39,6 @@ CONFIG_SCHEMA = vol.Schema(
 
 def setup(hass: HomeAssistant, yaml_config: Dict[str, Any]):
     """Activate Google Pub/Sub component."""
-    from google.cloud import pubsub_v1
 
     config = yaml_config[DOMAIN]
     project_id = config[CONF_PROJECT_ID]