Some small changes to the test.

Author: ZeroIntensity

Lib/test/test_free_threading/test_generators.py

@@ -1,22 +1,28 @@
 import unittest
-import concurrent.futures
 
 from unittest import TestCase
 
 from test.support import threading_helper
 
 @threading_helper.requires_working_threading()
 class TestGen(TestCase):
-    def test_generators_basic(self):
+    def test_generator_send(self):
+        import threading
+
         def gen():
             for _ in range(5000):
                 yield
 
 
         it = gen()
-        with concurrent.futures.ThreadPoolExecutor() as executor:
-            for _ in range(5000):
-                executor.submit(lambda: next(it))
+        with threading_helper.catch_threading_exception() as cm:
+            # next(it) is equivalent to it.send(None)
+            with threading_helper.start_threads(
+                (threading.Thread(target=lambda: next(it)) for _ in range(10))
+            ):
+                pass
+
+            self.assertIsNone(cm.exc_value)
 
 
 if __name__ == "__main__":