diff options
Diffstat (limited to 'examples/simpleBool.py')
| -rw-r--r-- | examples/simpleBool.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/examples/simpleBool.py b/examples/simpleBool.py index f47e090..5ff1728 100644 --- a/examples/simpleBool.py +++ b/examples/simpleBool.py @@ -12,7 +12,9 @@ # Copyright 2006, by Paul McGuire
# Updated 2013-Sep-14 - improved Python 2/3 cross-compatibility
#
-from pyparsing import infixNotation, opAssoc, Keyword, Word, alphas
+from pyparsing import infixNotation, opAssoc, Keyword, Word, alphas, ParserElement
+
+ParserElement.enablePackrat()
# define classes to be built at parse time, as each matching
# expression type is parsed
|