Issue #26778: Fixed "a/an/and" typos in code comment and documentation.
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
index 212bd1a..ac14e66 100644
--- a/Lib/test/test_threading.py
+++ b/Lib/test/test_threading.py
@@ -876,7 +876,7 @@
     eventtype = staticmethod(threading.Event)
 
 class ConditionAsRLockTests(lock_tests.RLockTests):
-    # An Condition uses an RLock by default and exports its API.
+    # Condition uses an RLock by default and exports its API.
     locktype = staticmethod(threading.Condition)
 
 class ConditionTests(lock_tests.ConditionTests):