Bug fix (?)

pykat/finesse.py

@@ -155,6 +155,10 @@ class kat(object):
         self.__tempname = tempname
         self.pykatgui = None
 
+	# initialise default block
+	self.__currentTag= NO_BLOCK
+	self.__blocks[NO_BLOCK] = Block(NO_BLOCK)
+        
         # Various options for running finesse, typicaly the commands with just 1 input
         # and have no name attached to them.
         self.retrace = None
@@ -220,11 +224,6 @@ class kat(object):
     def parseCommands(self, commands):
         blockComment = False
         
-        self.__currentTag= NO_BLOCK
-        
-        if not (NO_BLOCK in self.__blocks):
-            self.__blocks[NO_BLOCK] = Block(NO_BLOCK)
-        
         commands=self.remove_comments(commands)
         
         after_process = [] # list of commands that should be processed after