fixed all pep8 errors and bumped version num

xvfbwrapper/__init__.py

@@ -1,3 +1,3 @@
 from xvfbwrapper import *
 
-__version__ = '0.2.0'
+__version__ = '0.2.1'

xvfbwrapper/test_xvfb.py

@@ -10,7 +10,7 @@ import pep8
 
 
 class TestXvfb(unittest.TestCase):
-    
+
     def test_start(self):
         xvfb = Xvfb()
         self.addCleanup(xvfb.stop)

xvfbwrapper/xvfbwrapper.py

@@ -69,4 +69,3 @@ class Xvfb:
 
     def _redirect_display(self, display_num):
         os.environ['DISPLAY'] = ':%s' % display_num
-