Looks like a "not" was inadvertently omitted in commit
e6a7ea4.
Classmethods are useful when data stored in specific instances are *not*
needed.
Automerge-Triggered-By: GH:JulienPalard
('F', 3)
This behavior is useful whenever the method only needs to have a class
-reference and does rely on data stored in a specific instance. One use for
+reference and does not rely on data stored in a specific instance. One use for
class methods is to create alternate class constructors. For example, the
classmethod :func:`dict.fromkeys` creates a new dictionary from a list of
keys. The pure Python equivalent is: