diff --git a/tuhi/wacom.py b/tuhi/wacom.py
index 7a75505..a039c2d 100644
--- a/tuhi/wacom.py
+++ b/tuhi/wacom.py
@@ -15,13 +15,9 @@
 import binascii
 import logging
 import threading
-import sys
 import time
 from gi.repository import GObject
 
-from tuhi.dbusserver import TuhiDBusServer
-from tuhi.ble import BlueZDeviceManager
-
 logging.basicConfig(level=logging.DEBUG)
 logger = logging.getLogger('wacom')
 
@@ -49,6 +45,7 @@ SMARTPAD_UUID = 'dead00beef00'
 SMARTPAD_UUID = '1d6adc5fac76'
 SMARTPAD_UUID = '4810d75d5d4d'
 
+
 def signed_char_to_int(v):
     if v & 0x80:
         return v - (1 << 8)
@@ -137,8 +134,8 @@ class WacomDevice(GObject.Object):
     """
 
     __gsignals__ = {
-            "drawing":
-                (GObject.SIGNAL_RUN_FIRST, None, (GObject.TYPE_PYOBJECT,)),
+        "drawing":
+            (GObject.SIGNAL_RUN_FIRST, None, (GObject.TYPE_PYOBJECT,)),
     }
 
     def __init__(self, device):
@@ -589,4 +586,3 @@ class WacomDevice(GObject.Object):
     def start(self):
         self.thread = threading.Thread(target=self.run)
         self.thread.start()
-