File py39.patch of Package python-prestring

From 55165f7b1a622577801f8d6c2bd3d0f16555be4b Mon Sep 17 00:00:00 2001
From: podhmo <ababjam61+github@gmail.com>
Date: Sun, 28 Mar 2021 14:27:35 +0900
Subject: [PATCH] Fix test for py39 (#75)

* test: remove try-except

* test: fix tests (work-around)
---
 prestring/tests/test_lazy_object.py | 33 +++++++++++++++++------------
 1 file changed, 20 insertions(+), 13 deletions(-)

diff --git a/prestring/tests/test_lazy_object.py b/prestring/tests/test_lazy_object.py
index f528009..a41457f 100644
--- a/prestring/tests/test_lazy_object.py
+++ b/prestring/tests/test_lazy_object.py
@@ -29,23 +29,30 @@ def test_with_actual_types(self):
         self.assertEqual(str(target), "x: int, y: bool, *")
 
     def test_with_actual_types2(self):
-        try:
-            import typing as t
-
-            target = self._makeOne(
-                ["x", "y", "z"],
-                types={
-                    "x": int,
-                    "y": t.Optional[int],
-                    "z": t.Sequence[t.Optional[int]],
-                },
-            )
+        import typing as t
+
+        target = self._makeOne(
+            ["x", "y", "z"],
+            types={
+                "x": int,
+                "y": t.Optional[int],
+                "z": t.Sequence[t.Optional[int]],
+            },
+        )
+
+        # TODO: fix, this is work-around
+        import sys
+
+        if (3, 9) > sys.version_info:
             self.assertEqual(
                 str(target),
                 "x: int, y: 'typing.Union[int, NoneType]', z: 'typing.Sequence[typing.Union[int, NoneType]]'",
             )
-        except ImportError:
-            pass
+        else:
+            self.assertEqual(
+                str(target),
+                "x: int, y: 'typing.Optional[int]', z: 'typing.Sequence[typing.Optional[int]]'",
+            )
 
 
 @test_target("prestring:LazyKeywords")