Fix Issue8262 - changing RuntimeError wording to "Threads can only be started once"
diff --git a/Lib/threading.py b/Lib/threading.py
index c6fb2da..06fdfc1 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -464,7 +464,7 @@
if not self.__initialized:
raise RuntimeError("thread.__init__() not called")
if self.__started.is_set():
- raise RuntimeError("thread already started")
+ raise RuntimeError("threads can only be started once")
if __debug__:
self._note("%s.start(): starting thread", self)
with _active_limbo_lock: