bpo-46437: remove useless `hasattr` from `test_typing` (GH-30704)

(cherry picked from commit 263c0dd16017613c5ea2fbfc270be4de2b41b5ad)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index ee432b65cf5df51661bce9ed6d6abd9eb6ef5749..1d16e78d422cd09856a1a49ce1d8a2768b7804cc 100644 (file)
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -3439,11 +3439,10 @@ class CollectionsAbcTests(BaseTestCase):
         self.assertNotIsInstance(42, typing.Container)
 
     def test_collection(self):
-        if hasattr(typing, 'Collection'):
-            self.assertIsInstance(tuple(), typing.Collection)
-            self.assertIsInstance(frozenset(), typing.Collection)
-            self.assertIsSubclass(dict, typing.Collection)
-            self.assertNotIsInstance(42, typing.Collection)
+        self.assertIsInstance(tuple(), typing.Collection)
+        self.assertIsInstance(frozenset(), typing.Collection)
+        self.assertIsSubclass(dict, typing.Collection)
+        self.assertNotIsInstance(42, typing.Collection)
 
     def test_abstractset(self):
         self.assertIsInstance(set(), typing.AbstractSet)
@@ -5033,8 +5032,9 @@ class AllTests(BaseTestCase):
         self.assertIn('ValuesView', a)
         self.assertIn('cast', a)
         self.assertIn('overload', a)
-        if hasattr(contextlib, 'AbstractContextManager'):
-            self.assertIn('ContextManager', a)
+        # Context managers.
+        self.assertIn('ContextManager', a)
+        self.assertIn('AsyncContextManager', a)
         # Check that io and re are not exported.
         self.assertNotIn('io', a)
         self.assertNotIn('re', a)
@@ -5048,8 +5048,6 @@ class AllTests(BaseTestCase):
         self.assertIn('SupportsComplex', a)
 
     def test_all_exported_names(self):
-        import typing
-
         actual_all = set(typing.__all__)
         computed_all = {
             k for k, v in vars(typing).items()