pixelneo
diff --git a/‎python/asthelper.py
Lines changed: 9 additions & 1 deletion b/‎python/asthelper.py
Lines changed: 9 additions & 1 deletion
@@ -90,7 +90,15 @@ def _handle_functions(self, node):
             for arg in chain(node.args.args, node.args.kwonlyargs):
                 type_hint = None
                 if arg.annotation is not None:
-                    type_hint = ast.unparse(arg.annotation)
+                    # ast.unparse doesn't work for python <= 3.8
+                    if sys.version_info[0] == 3 and sys.version_info[1] <= 8:
+                        from unparse import Unparser
+                        from io import StringIO
+                        v = StringIO()
+                        Unparser(arg.annotation, file=v)
+                        type_hint = v.getvalue()
+                    else:
+                        type_hint = ast.unparse(arg.annotation)
                 self.arguments.append({"arg": arg.arg, "type": type_hint})
             if len(self.arguments) > 0 and (
                 self.arguments[0]["arg"] == "self" or self.arguments[0]["arg"] == "cls"