Do not use a timeout for the blocker.

Author: ericsnowcurrently

Lib/test/test_concurrent_futures/test_interpreter_pool.py

@@ -360,8 +360,8 @@ def test_blocking(self):
 
         def run(taskid, ready, blocker):
             ready.put_nowait(taskid)
-            blocker.get(timeout=10)  # blocking
-#            blocker.get()  # blocking
+#            blocker.get(timeout=20)  # blocking
+            blocker.get()  # blocking
 
         numtasks = 10
         futures = []