Added a docstring to cached_property.__get__().
@@ -26,6 +26,10 @@ class cached_property:
self.name = name or func.__name__
def __get__(self, instance, cls=None):
+ """
+ Call the function and replace this cached_property instance with the
+ return value so that the function and this method aren't called again.
+ """
if instance is None:
return self
res = instance.__dict__[self.name] = self.func(instance)
