diff options
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/bltinmodule.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c index 64afb1b..8390b7b 100644 --- a/Python/bltinmodule.c +++ b/Python/bltinmodule.c @@ -1641,10 +1641,12 @@ builtin_isinstance(PyObject *self, PyObject *args) } static char isinstance_doc[] = -"isinstance(object, class-or-type) -> Boolean\n\ +"isinstance(object, class-or-type-or-tuple) -> Boolean\n\ \n\ Return whether an object is an instance of a class or of a subclass thereof.\n\ -With a type as second argument, return whether that is the object's type."; +With a type as second argument, return whether that is the object's type.\n\ +The form using a tuple, isinstance(x, (A, B, ...)), is a shortcut for\n\ +isinstance(x, A) or isinstance(x, B) or ... (etc.)."; static PyObject * |