added blank lines

openlp/core/lib/screen.py

@@ -37,8 +37,10 @@ from PyQt4 import QtCore
 
 from openlp.core.lib import Receiver, translate
 
+
 log = logging.getLogger(__name__)
 
+
 class ScreenList(object):
     """
     Wrapper to handle the parameters of the display screen.

openlp/core/lib/settings.py

@@ -40,8 +40,10 @@ from openlp.core.lib import SlideLimits, ScreenList
 from openlp.core.lib.theme import ThemeLevel
 from openlp.core.lib import UiStrings
 
+
 log = logging.getLogger(__name__)
 
+
 # Fix for bug #1014422.
 X11_BYPASS_DEFAULT = True
 if sys.platform.startswith(u'linux'):

openlp/core/lib/ui.py

@@ -36,6 +36,7 @@ from PyQt4 import QtCore, QtGui
 from openlp.core.lib import build_icon, translate, Receiver, UiStrings
 from openlp.core.utils.actions import ActionList
 
+
 log = logging.getLogger(__name__)
 
 

openlp/core/lib/uistrings.py

@@ -33,8 +33,10 @@ import logging
 
 from openlp.core.lib import translate
 
+
 log = logging.getLogger(__name__)
 
+
 class UiStrings(object):
     """
     Provide standard strings for objects to use.