diff options
| -rw-r--r-- | Doc/library/inspect.rst | 5 | ||||
| -rw-r--r-- | Doc/library/sys.rst | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/Doc/library/inspect.rst b/Doc/library/inspect.rst index bea12c9f63..ac89850639 100644 --- a/Doc/library/inspect.rst +++ b/Doc/library/inspect.rst @@ -567,6 +567,11 @@ line. Return the frame object for the caller's stack frame. + This function relies on Python stack frame support in the interpreter, which + isn't guaranteed to exist in all implementations of Python. If running in + an implmentation without Python stack frame support this function returns + ``None``. + .. function:: stack([context]) diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst index 0005792774..7a3f642e42 100644 --- a/Doc/library/sys.rst +++ b/Doc/library/sys.rst @@ -417,7 +417,8 @@ always available. that is deeper than the call stack, :exc:`ValueError` is raised. The default for *depth* is zero, returning the frame at the top of the call stack. - This function should be used for internal and specialized purposes only. + This function should be used for internal and specialized purposes only. It + is not guaranteed to exist in all implementations of Python. .. function:: getprofile() |