diff --git a/example.py b/example.py
index f0b8510..efe516f 100755
--- a/example.py
+++ b/example.py
@@ -35,7 +35,7 @@ def ls(client):
 
 
 def gen_mon(client, device_id):
-    """Monitor any other device but AC device, 
+    """Monitor any other device but AC device,
     displaying generic information about its status.
     """
 
@@ -113,7 +113,7 @@ def mon(client, device_id):
     status.
     """
 
-    device_class = client.get_device_class(device_id)
+    device_class = client.get_device_obj(device_id)
     if isinstance(device_class, wideq.ACDevice):
         ac_mon(device_class)
     else:
diff --git a/wideq/client.py b/wideq/client.py
index 76428f3..c14164d 100644
--- a/wideq/client.py
+++ b/wideq/client.py
@@ -10,7 +10,7 @@ import re
 from collections import namedtuple
 from typing import Any, Dict, Generator, List, Optional
 
-from . import core
+from . import core, util
 
 
 #: Represents an unknown enum value.
@@ -139,23 +139,22 @@ class Client(object):
                 return device
         return None
 
-    def get_device_class(self, device_id):
+    def get_device_obj(self, device_id):
         """Look up a subclass of Device object by device ID.
 
         Return a Device instance if no subclass exists for the device type.
         Return None if the device does not exist.
         """
-        from . import util
 
-        deviceInfo = self.get_device(device_id)
-        if not deviceInfo:
+        device_info = self.get_device(device_id)
+        if not device_info:
             return None
         classes = util.device_classes()
-        if deviceInfo.type in classes:
-            return classes[deviceInfo.type](self, deviceInfo)
+        if device_info.type in classes:
+            return classes[device_info.type](self, device_info)
         LOGGER.debug('No specific subclass for deviceType %s, using default',
-                     deviceInfo.type)
-        return Device(self, deviceInfo)
+                     device_info.type)
+        return Device(self, device_info)
 
     @classmethod
     def load(cls, state: Dict[str, Any]) -> 'Client':