Move imports to top for iota (#29399)

homeassistant/components/iota/__init__.py

@@ -1,7 +1,8 @@
 """Support for IOTA wallets."""
-import logging
 from datetime import timedelta
+import logging
 
+from iota import Iota
 import voluptuous as vol
 
 import homeassistant.helpers.config_validation as cv
@@ -77,6 +78,5 @@ class IotaDevice(Entity):
     @property
     def api(self):
         """Construct API object for interaction with the IRI node."""
-        from iota import Iota
 
         return Iota(adapter=self.iri, seed=self._seed)