Backport 69934: Register xrange() as a Sequence.
diff --git a/Lib/_abcoll.py b/Lib/_abcoll.py
index 36aca95..942a72c 100644
--- a/Lib/_abcoll.py
+++ b/Lib/_abcoll.py
@@ -519,6 +519,7 @@
Sequence.register(tuple)
Sequence.register(basestring)
Sequence.register(buffer)
+Sequence.register(xrange)
class MutableSequence(Sequence):
diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index 4901eae..9767aff 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -406,6 +406,9 @@
self.failUnless(isinstance(sample(), Sequence))
self.failUnless(issubclass(sample, Sequence))
self.failUnless(issubclass(basestring, Sequence))
+ self.failUnless(isinstance(range(10), Sequence))
+ self.failUnless(issubclass(xrange, Sequence))
+ self.failUnless(issubclass(str, Sequence))
self.validate_abstract_methods(Sequence, '__contains__', '__iter__', '__len__',
'__getitem__')