remove crash

Parsing.py

 import string
 import sys
-from utils import *
 from Scanning import Token
 
 ##################### Node & State ##########################################
@@ -69,7 +68,7 @@ class State():
                 newChildren.insert(0, Node(top.children, top.name, top.lex))
 
                 toPop -= 1
-            
+
             newNode = Node(newChildren, cfgrule[0], '')
 
             theStack.append(newNode)
@@ -123,7 +122,7 @@ def checkSequence(tokens):
             getNext = states[curState].trans(statesVisited, theStack[-1].name, rulesToOutput)
 
             curState = int(statesVisited[-1])
-        
+
         getNext = states[curState].trans(statesVisited, tokens[i].name, rulesToOutput)
 
     lastRule = True
@@ -151,15 +150,15 @@ def setUpGrammar():
     # one big file
     with open('cfg/trans.txt', 'r') as f:
         lines = f.read().splitlines()
-    
+
     i  = int(lines[0]) + 1 # terminals
     i += int(lines[i]) + 1 # non terminals
     i += 1 # starting non terminal
-    
+
     # cfg rules
     for r in range(int(lines[i])):
         cfgrules.append(lines[i+r+1].split())
-        
+
     # num of states
     i     += int(lines[i]) + 1
     states = [State() for _ in range(int(lines[i]))]
@@ -167,7 +166,7 @@ def setUpGrammar():
     # transitions
     i += 1
     for t in range(int(lines[i])):
-        lr1trans.append(lines[i+t+1].split())            
+        lr1trans.append(lines[i+t+1].split())
 
     # states
     for t in lr1trans: