diff options
Diffstat (limited to 'Lib/enum.py')
-rw-r--r-- | Lib/enum.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/enum.py b/Lib/enum.py index 9c0af9e..c207dc2 100644 --- a/Lib/enum.py +++ b/Lib/enum.py @@ -739,6 +739,11 @@ class EnumType(type): value = (value, names) + values return cls.__new__(cls, value) # otherwise, functional API: we're creating a new Enum type + if names is None and type is None: + # no body? no data-type? possibly wrong usage + raise TypeError( + f"{cls} has no members; specify `names=()` if you meant to create a new, empty, enum" + ) return cls._create_( class_name=value, names=names, |