negation needs to have a ws character infront of it.

uberj · Oct 30, 2012 · 001c5fb · 001c5fb
1 parent b10dcaa
commit 001c5fb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/invlex.py b/invlex.py
@@ -17,7 +17,7 @@ class InvLexer(object):
     t_RPAREN = r'\)'
 
     def t_NOT(self, t):
-        r'-'
+        r'\s*-'
         t.value = 'NOT'
         return t