diff --git a/wideq/client.py b/wideq/client.py
index 913adf1..a357628 100644
--- a/wideq/client.py
+++ b/wideq/client.py
@@ -440,7 +440,7 @@ class Device(object):
             try:
                 # malformed JSON may contains unwanted [bracket]
                 LOGGER.debug('attempting to fix JSON format')
-                return json.loads( re.sub(r'^\{(.*?)\}$', r'\1', data))
+                return json.loads(re.sub(r'^\{(.*?)\}$', r'\1', data))
             except json.decoder.JSONDecodeError:
                 raise core.JsonError(self.device.id, data)
 
diff --git a/wideq/core.py b/wideq/core.py
index 81abee3..c204b66 100644
--- a/wideq/core.py
+++ b/wideq/core.py
@@ -168,6 +168,7 @@ class MonitorError(APIError):
         self.device_id = device_id
         self.code = code
 
+
 class JsonError(APIError):
     """JSON Decode error
     The received json value is malformed