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-rw-r--r--Lib/asyncio/coroutines.py3
-rw-r--r--Lib/test/test_asyncio/test_pep492.py6
2 files changed, 7 insertions, 2 deletions
diff --git a/Lib/asyncio/coroutines.py b/Lib/asyncio/coroutines.py
index 7fda0e4..ab4f30e 100644
--- a/Lib/asyncio/coroutines.py
+++ b/Lib/asyncio/coroutines.py
@@ -25,8 +25,7 @@ def iscoroutinefunction(func):
# Prioritize native coroutine check to speed-up
# asyncio.iscoroutine.
-_COROUTINE_TYPES = (types.CoroutineType, types.GeneratorType,
- collections.abc.Coroutine)
+_COROUTINE_TYPES = (types.CoroutineType, collections.abc.Coroutine)
_iscoroutine_typecache = set()
diff --git a/Lib/test/test_asyncio/test_pep492.py b/Lib/test/test_asyncio/test_pep492.py
index f833f78..dc25a46 100644
--- a/Lib/test/test_asyncio/test_pep492.py
+++ b/Lib/test/test_asyncio/test_pep492.py
@@ -119,6 +119,12 @@ class CoroutineTests(BaseTest):
self.assertTrue(asyncio.iscoroutine(FakeCoro()))
+ def test_iscoroutine_generator(self):
+ def foo(): yield
+
+ self.assertFalse(asyncio.iscoroutine(foo()))
+
+
def test_iscoroutinefunction(self):
async def foo(): pass
self.assertTrue(asyncio.iscoroutinefunction(foo))