Python 3.6 specific check

Author: NiklasRosenstein

src/typeapi/utils_test.py

@@ -9,6 +9,7 @@
 import typing_extensions
 
 from typeapi.utils import (
+    IS_PYTHON_AT_LEAST_3_7,
     IS_PYTHON_AT_LEAST_3_9,
     ForwardRef,
     get_annotations,
@@ -463,11 +464,14 @@ class A:
 
         assert type(annotations["a"]) is _UnionGenericAlias
 
-    else:
+    elif IS_PYTHON_AT_LEAST_3_7:
         from typing import _GenericAlias  # type: ignore
 
         assert type(annotations["a"]) is _GenericAlias
 
+    else:
+        assert str(type(annotations["a"])) == "typing.Union"
+
 
 def test__get_annotations__evaluate_forward_references_on_class_level() -> None:
     class A: