damccorm commented on code in PR #25147:
URL: https://github.com/apache/beam/pull/25147#discussion_r1086772974
##########
sdks/python/apache_beam/typehints/typehints.py:
##########
@@ -389,10 +389,12 @@ def validate_composite_type_param(type_param,
error_msg_prefix):
if sys.version_info.major == 3 and sys.version_info.minor >= 10:
if isinstance(type_param, types.UnionType):
is_not_type_constraint = False
- is_forbidden_type = (
- isinstance(type_param, type) and type_param in
DISALLOWED_PRIMITIVE_TYPES)
+ if sys.version_info.major == 3 and sys.version_info.minor < 9:
Review Comment:
Could you add a comment explaining the pre/post 3.9, 3.10 logic in this
block?
##########
sdks/python/apache_beam/typehints/typehints_test.py:
##########
@@ -379,9 +379,10 @@ def test_getitem_params_must_be_type_or_constraint(self):
typehints.Tuple[5, [1, 3]]
self.assertTrue(e.exception.args[0].startswith(expected_error_prefix))
- with self.assertRaises(TypeError) as e:
- typehints.Tuple[list, dict]
- self.assertTrue(e.exception.args[0].startswith(expected_error_prefix))
+ if sys.version_info < (3, 9):
+ with self.assertRaises(TypeError) as e:
+ typehints.Tuple[list, dict]
+ self.assertTrue(e.exception.args[0].startswith(expected_error_prefix))
Review Comment:
Can we add else clauses to these tests that validate that they don't throw?
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