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-rw-r--r--Doc/reference/datamodel.rst2
1 files changed, 2 insertions, 0 deletions
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index e24a8e7..d3fb2c8 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -69,6 +69,8 @@ are still reachable.
containing circular references. See the documentation of the :mod:`gc`
module for information on controlling the collection of cyclic garbage.
Other implementations act differently and CPython may change.
+ Do not depend on immediate finalization of objects when they become
+ unreachable (ex: always close files).
Note that the use of the implementation's tracing or debugging facilities may
keep objects alive that would normally be collectable. Also note that catching