diff -r d2e979738700 -r ec153828ded2 canfestival/canfestival.py
--- a/canfestival/canfestival.py	Mon Aug 14 23:38:28 2017 +0300
+++ b/canfestival/canfestival.py	Tue Aug 15 12:17:51 2017 +0300
@@ -178,10 +178,12 @@
         dialog.Destroy()
 
     ConfNodeMethods = [
-        {"bitmap" : "ExportSlave",
-         "name" : _("Export slave"),
-         "tooltip" : _("Export CanOpen slave to EDS file"),
-         "method" : "_ExportSlave"},
+        {
+            "bitmap":    "ExportSlave",
+            "name":    _("Export slave"),
+            "tooltip": _("Export CanOpen slave to EDS file"),
+            "method":   "_ExportSlave"
+        },
     ]
 
     def CTNTestModified(self):
@@ -228,10 +230,10 @@
         # allow access to local OD from Slave PLC
         pointers = config_utils.LocalODPointers(locations, current_location, slave)
         res = gen_cfile.GenerateFile(Gen_OD_path, slave, pointers)
-        if res :
+        if res:
             raise Exception, res
         res = eds_utils.GenerateEDSFile(os.path.join(buildpath, "Slave_%s.eds" % prefix), slave)
-        if res :
+        if res:
             raise Exception, res
         return [(Gen_OD_path,local_canfestival_config.getCFLAGS(CanFestivalPath))],"",False
 
@@ -395,10 +397,12 @@
             return self._View
 
     ConfNodeMethods = [
-        {"bitmap" : "ShowMaster",
-         "name" : _("Show Master"),
-         "tooltip" : _("Show Master generated by config_utils"),
-         "method" : "_ShowGeneratedMaster"}
+        {
+            "bitmap":    "ShowMaster",
+            "name":    _("Show Master"),
+            "tooltip": _("Show Master generated by config_utils"),
+            "method":   "_ShowGeneratedMaster"
+        }
     ]
 
     def OnCloseEditor(self, view):
@@ -446,7 +450,7 @@
             raise Exception, e.message
         # Do generate C file.
         res = gen_cfile.GenerateFile(Gen_OD_path, master, pointers)
-        if res :
+        if res:
             raise Exception, res
 
         file = open(os.path.join(buildpath, "MasterGenerated.od"), "w")
@@ -489,7 +493,7 @@
 
     def GetCanDriver(self):
         res = self.CanFestivalInstance.getCAN_Driver()
-        if not res :
+        if not res:
             return ""
         return res
 
@@ -497,7 +501,7 @@
         can_driver = self.GetCanDriver()
         if can_driver is not None:
             can_drivers = local_canfestival_config.DLL_LIST
-            if can_driver not in can_drivers :
+            if can_driver not in can_drivers:
                 can_driver = can_drivers[0]
             can_drv_ext = self.GetCTRoot().GetBuilder().extension
             can_drv_prefix = self.GetCTRoot().GetBuilder().dlopen_prefix
@@ -506,22 +510,22 @@
             can_driver_name = ""
 
 
-        format_dict = {"locstr" : "_".join(map(str,self.GetCurrentLocation())),
-                       "candriver" : can_driver_name,
-                       "nodes_includes" : "",
-                       "board_decls" : "",
-                       "nodes_init" : "",
-                       "nodes_open" : "",
-                       "nodes_stop" : "",
-                       "nodes_close" : "",
-                       "nodes_send_sync" : "",
-                       "nodes_proceed_sync" : "",
-                       "slavebootups" : "",
-                       "slavebootup_register" : "",
-                       "post_sync" : "",
-                       "post_sync_register" : "",
-                       "pre_op" : "",
-                       "pre_op_register" : "",
+        format_dict = {"locstr": "_".join(map(str,self.GetCurrentLocation())),
+                       "candriver": can_driver_name,
+                       "nodes_includes": "",
+                       "board_decls": "",
+                       "nodes_init": "",
+                       "nodes_open": "",
+                       "nodes_stop": "",
+                       "nodes_close": "",
+                       "nodes_send_sync": "",
+                       "nodes_proceed_sync": "",
+                       "slavebootups": "",
+                       "slavebootup_register": "",
+                       "post_sync": "",
+                       "post_sync_register": "",
+                       "pre_op": "",
+                       "pre_op_register": "",
                        }
         for child in self.IECSortedChildren():
             childlocstr = "_".join(map(str,child.GetCurrentLocation()))