chore: import upstream snapshot with attribution

tests/data/miscellaneous/python2_detection.py

@@ -0,0 +1,90 @@
+# This uses a similar construction to the decorators.py test data file FYI.
+
+print "hello, world!"
+
+###
+
+exec "print('hello, world!')"
+
+###
+
+def set_position((x, y), value):
+    pass
+
+###
+
+try:
+    pass
+except Exception, err:
+    pass
+
+###
+
+raise RuntimeError, "I feel like crashing today :p"
+
+###
+
+`wow_these_really_did_exist`
+
+###
+
+10L
+
+###
+
+10l
+
+###
+
+0123
+
+# output
+
+print("hello python three!")
+
+###
+
+exec("I'm not sure if you can use exec like this but that's not important here!")
+
+###
+
+try:
+    pass
+except make_exception(1, 2):
+    pass
+
+###
+
+try:
+    pass
+except Exception as err:
+    pass
+
+###
+
+raise RuntimeError(make_msg(1, 2))
+
+###
+
+raise RuntimeError("boom!",)
+
+###
+
+def set_position(x, y, value):
+    pass
+
+###
+
+10
+
+###
+
+0
+
+###
+
+000
+
+###
+
+0o12