Tweaks to long-literal handling...

* Use version tuple comparison for version testing
* small lintin of n_actions
* revise test so assert is not removed in 3.8

test/simple_source/expression/05_long_literals.py

@@ -726,9 +726,12 @@ values = {
 
 assert sorted(values.values())[1:] == list(range(2, 34))
 
+def assert_equal(x, y):
+    assert x == y
 
 # Check that we can distinguish names from strings in literal collections, e.g. lists.
 # The list has to have more than 4 items to get accumulated in a collection
 a = ["y", 'Exception', "x", Exception, "z"]
-assert a[1] == "Exception"
-assert a[3] == Exception
+
+assert_equal(a[1], "Exception")
+assert_equal(a[3], Exception)