Add enumerated place holders for strings that invoke str.format(), for Py2 compatibility

1 files changed, 2 insertions, 2 deletions

diff --git a/examples/pythonGrammarParser.py b/examples/pythonGrammarParser.py
index ed6a484..4a8adce 100644
--- a/examples/pythonGrammarParser.py
+++ b/examples/pythonGrammarParser.py
@@ -137,7 +137,7 @@ class SemanticGroup(object):
             self.contents = self.contents[:-1] + self.contents[-1].contents

 

     def __str__(self):

-        return "{}({})".format(self.label,

+        return "{0}({1})".format(self.label,

                 " ".join([isinstance(c,str) and c or str(c) for c in self.contents]) )

 

 class OrList(SemanticGroup):

@@ -164,7 +164,7 @@ class Atom(SemanticGroup):
             self.contents = contents[0]

 

     def __str__(self):

-        return "{}{}".format(self.rep, self.contents)

+        return "{0}{1}".format(self.rep, self.contents)

 

 def makeGroupObject(cls):

     def groupAction(s,l,t):