diff --git a/example/art_remove_mats.py b/example/art_remove_mats.py
index 267e36b..952fb83 100644
--- a/example/art_remove_mats.py
+++ b/example/art_remove_mats.py
@@ -1,7 +1,7 @@
-import sys
 import logging
+import sys
 
-sys.path.append('../')
+sys.path.append("../")
 
 from samsungtvws import SamsungTVWS
 
@@ -9,26 +9,35 @@
 logging.basicConfig(level=logging.INFO)
 
 # Normal constructor
-tv = SamsungTVWS('192.168.xxx.xxx')
+tv = SamsungTVWS("192.168.xxx.xxx")
 
 # Set all mats to this type
-target_matte_type = 'none'
+target_matte_type = "none"
 
 # Is art mode supported?
 if not tv.art().supported():
-    logging.error('Art mode not supported')
+    logging.error("Art mode not supported")
     sys.exit(1)
 
 # List available mats for displaying art
-matte_types = [matte_type for elem in tv.art().get_matte_list() for matte_type in elem.values()]
+matte_types = [
+    matte_type for elem in tv.art().get_matte_list() for matte_type in elem.values()
+]
+
 if target_matte_type not in matte_types:
-    logging.error('Invalid matte type: {}. Supported matte types are: {}'.format(target_matte_type, matte_types))
+    logging.error(
+        "Invalid matte type: {}. Supported matte types are: {}".format(
+            target_matte_type, matte_types
+        )
+    )
     sys.exit(1)
 
 # List the art available on the device
 available_art = tv.art().available()
 
 for art in available_art:
-    if art['matte_id'] != target_matte_type:
-        logging.info("Setting matte to {} for {}".format(target_matte_type, art['content_id']))
-        tv.art().change_matte(art['content_id'], target_matte_type)
+    if art["matte_id"] != target_matte_type:
+        logging.info(
+            "Setting matte to {} for {}".format(target_matte_type, art["content_id"])
+        )
+        tv.art().change_matte(art["content_id"], target_matte_type)