fixed CQ for bitmessageqt.settings module

src/bitmessageqt/settings.py

@@ -4,6 +4,7 @@ This module setting file is for settings
 import ConfigParser
 import os
 import sys
+import tempfile
 
 from PyQt4 import QtCore, QtGui
 
@@ -15,7 +16,6 @@ import openclpow
 import paths
 import queues
 import state
-import tempfile
 import widgets
 from bmconfigparser import BMConfigParser
 from helper_sql import sqlExecute, sqlStoredProcedure
@@ -30,7 +30,7 @@ def getSOCKSProxyType(config):
         result = ConfigParser.SafeConfigParser.get(
             config, 'bitmessagesettings', 'socksproxytype')
     except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
-        return
+        return None
     else:
         if result.lower() in ('', 'none', 'false'):
             result = None
@@ -436,8 +436,7 @@ class SettingsDialog(QtGui.QDialog):
                     'bitmessagesettings', 'maxacceptablenoncetrialsperbyte'
             ) != str(int(
                 float(self.lineEditMaxAcceptableTotalDifficulty.text())
-                * defaults.networkDefaultProofOfWorkNonceTrialsPerByte)
-            ):
+                    * defaults.networkDefaultProofOfWorkNonceTrialsPerByte)):
                 # the user changed the max acceptable total difficulty
                 acceptableDifficultyChanged = True
                 self.config.set(
@@ -454,8 +453,7 @@ class SettingsDialog(QtGui.QDialog):
                     'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes'
             ) != str(int(
                 float(self.lineEditMaxAcceptableSmallMessageDifficulty.text())
-                * defaults.networkDefaultPayloadLengthExtraBytes)
-            ):
+                    * defaults.networkDefaultPayloadLengthExtraBytes)):
                 # the user changed the max acceptable small message difficulty
                 acceptableDifficultyChanged = True
                 self.config.set(