Remove some 3.8 artifacts

test/run.py

@@ -104,10 +104,7 @@ import os
 import re
 import sys
 import operator
-if sys.version_info < (3, 8):
-    literal_eval = eval
-else:
-    from ast import literal_eval
+from ast import literal_eval
 from io import StringIO
 from functools import reduce
 from unittest.mock import ANY