diff options
| -rw-r--r-- | Lib/test/test_typing.py | 3 | ||||
| -rw-r--r-- | Lib/typing.py | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py index 46bab5e..314716c 100644 --- a/Lib/test/test_typing.py +++ b/Lib/test/test_typing.py @@ -1367,6 +1367,9 @@ class GenericTests(BaseTestCase): class A(Generic[T]): pass + with self.assertRaises(TypeError): + A('foo') + class B: def __new__(cls): # call object diff --git a/Lib/typing.py b/Lib/typing.py index 89b73db..8025dfd 100644 --- a/Lib/typing.py +++ b/Lib/typing.py @@ -836,7 +836,7 @@ class Generic: if cls is Generic: raise TypeError("Type Generic cannot be instantiated; " "it can be used only as a base class") - if super().__new__ is object.__new__: + if super().__new__ is object.__new__ and cls.__init__ is not object.__init__: obj = super().__new__(cls) else: obj = super().__new__(cls, *args, **kwds) |