Bug

test/Makefile

@@ -48,7 +48,7 @@ check-bytecode:
 
 #: Check deparsing bytecode only
 check-bytecode-sans-3.5:
-	$(PYTHON) test_pythonlib.py --bytecode-2.6 --bytecode-2.7 \
+	$(PYTHON) test_pythonlib.py --bytecode-2.5 --bytecode-2.6 --bytecode-2.7 \
         --bytecode-3.2 --bytecode-3.3 --bytecode-3.4
 
 #: Check deparsing Python 2.5

uncompyle6/semantics/pysource.py

@@ -81,6 +81,7 @@ if PYTHON3:
     minint = -sys.maxsize-1
     maxint = sys.maxsize
 else:
+    from itertools import izip_longest as zip_longest
     from StringIO import StringIO
     minint = -sys.maxint-1
     maxint = sys.maxint