python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/dtracedata/instance.py

@@ -0,0 +1,24 @@
+import gc
+
+class old_style_class():
+    pass
+class new_style_class(object):
+    pass
+
+a = old_style_class()
+del a
+gc.collect()
+b = new_style_class()
+del b
+gc.collect()
+
+a = old_style_class()
+del old_style_class
+gc.collect()
+b = new_style_class()
+del new_style_class
+gc.collect()
+del a
+gc.collect()
+del b
+gc.collect()