Upgrade to Python 3.8 + duplicate check when adding in sdp

tests/test_defautparser.py

@@ -39,6 +39,18 @@ def null():
 def b(operator, left, right):
     return BinaryNode([], operator, left, right)
 
+def compare_ast(left, right):
+    left_as_string = ast.dump(left)
+    left_as_string = left_as_string.replace(", ctx=Load()", "")
+    left_as_string = left_as_string.replace(", kind=None", "")
+
+    right_as_string = right if isinstance(right, str) else ast.dump(right)
+    right_as_string = right_as_string.replace(", ctx=Load()", "")
+    right_as_string = right_as_string.replace(", kind=None", "")
+
+    return left_as_string == right_as_string
+
+
 
 def test_i_can_tokenize():
     source = "+*-/{}[]()    ,;:.?\n\n\r\r\r\nidentifier_0\t  \t10.15 10 'string\n' \"another string\"="
@@ -213,19 +225,11 @@ def test_i_can_parse_def_concept(text, expected_name, expected_expr):
     assert isinstance(tree, DefConceptNode)
     assert tree.name == expected_name
     if isinstance(tree.body, PythonNode):
-        assert ast.dump(tree.body.ast) == ast.dump(expected_expr)
+        assert compare_ast(tree.body.ast, expected_expr)
     else:
         assert tree.body == expected_expr
 
 
-def compare_ast(left, right):
-    left_as_string = ast.dump(left)
-    left_as_string = left_as_string.replace(", ctx=Load()", "")
-
-    right_as_string = right if isinstance(right, str) else ast.dump(right)
-    right_as_string = right_as_string.replace(", ctx=Load()", "")
-
-    return left_as_string == right_as_string
 
 
 def test_i_can_parse_complex_def_concept_statement():