1 files changed, 23 insertions, 0 deletions
diff --git a/testsuite/driver/typing_stubs.py b/testsuite/driver/typing_stubs.py
new file mode 100644
index 0000000000..6f17b5a35c
--- /dev/null
+++ b/testsuite/driver/typing_stubs.py
@@ -0,0 +1,23 @@
+# Stub definitions for things provided by the typing package
+# for use by older Python versions.
+
+import collections
+
+class Dummy:
+    def __getitem__(self, *args):
+        return None
+
+List = Dummy()
+Tuple = Dummy()
+Set = Dummy()
+TextIO = Dummy()
+Iterator = Dummy()
+Callable = Dummy()
+Optional = Dummy()
+Dict = Dummy()
+Union = Dummy()
+Any = Dummy()
+
+NewType = lambda name, ty: ty
+def NamedTuple(name, fields):
+    return collections.namedtuple(name, [field[0] for field in fields])