fixed type error of set

Scanning.py

@@ -59,7 +59,7 @@ def idsToTokens(tokens):
 
 
 # a set that contains keywords that are in java but not in joos
-wrongKeyWordDict = set(
+wrongKeyWordDict = {
     'assert', 
     'break', 
     'case', 
@@ -85,8 +85,8 @@ wrongKeyWordDict = set(
     'throws', 
     'transient', 
     'try', 
-    'volatile'
-    )
+    'volatile',
+}
 
 
 ######################## DFA Stuff ###################################