From c8d15e7654477ce29a25e81813a9e77adea61f56 Mon Sep 17 00:00:00 2001
From: rocky <rb@dustyfeet.com>
Date: Mon, 2 Oct 2017 03:09:28 -0400
Subject: [PATCH] spark-parser induced changes...

reduce rules can be called without token streams.
---
 uncompyle6/parsers/parse2.py | 2 ++
 uncompyle6/parsers/parse3.py | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/uncompyle6/parsers/parse2.py b/uncompyle6/parsers/parse2.py
index 56ba9713..75eec18d 100644
--- a/uncompyle6/parsers/parse2.py
+++ b/uncompyle6/parsers/parse2.py
@@ -397,6 +397,8 @@ class Python2Parser(PythonParser):
         return
 
     def reduce_is_invalid(self, rule, ast, tokens, first, last):
+        if not tokens:
+            return
         lhs = rule[0]
         if lhs in ('augassign1', 'augassign2') and ast[0][0] == 'and':
             return True
diff --git a/uncompyle6/parsers/parse3.py b/uncompyle6/parsers/parse3.py
index 91cc304a..d5e20775 100644
--- a/uncompyle6/parsers/parse3.py
+++ b/uncompyle6/parsers/parse3.py
@@ -884,6 +884,8 @@ class Python3Parser(PythonParser):
         return
 
     def reduce_is_invalid(self, rule, ast, tokens, first, last):
+        if not tokens:
+            return
         lhs = rule[0]
         if lhs in ('augassign1', 'augassign2') and ast[0][0] == 'and':
             return True