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-rw-r--r--coverage/collector.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/coverage/collector.py b/coverage/collector.py
index f546559b..241de05e 100644
--- a/coverage/collector.py
+++ b/coverage/collector.py
@@ -285,6 +285,8 @@ class Collector:
# for running code before the thread main is the tracing function. So we
# install this as a trace function, and the first time it's called, it does
# the real trace installation.
+ #
+ # New in 3.12: threading.settrace_all_threads: https://github.com/python/cpython/pull/96681
def _installation_trace(self, frame, event, arg):
"""Called on new threads, installs the real tracer."""