Move imports to top for sochain (#29250)

homeassistant/components/sochain/sensor.py

@@ -2,6 +2,7 @@
 from datetime import timedelta
 import logging
 
+from pysochain import ChainSo
 import voluptuous as vol
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
@@ -31,7 +32,6 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
     """Set up the sochain sensors."""
-    from pysochain import ChainSo
 
     address = config.get(CONF_ADDRESS)
     network = config.get(CONF_NETWORK)