## Expected ``` python >>> def f(): ... f.x = 3 ... return f.x ... >>> f() 3 >>> ``` ## Actual ```python >>> def f(): ... f.x = 3 ... return f.x ... >>> f() Traceback (most recent call last): File "<stdin>", line 1, in <module> FIXME line of source goes here File "<stdin>", line 3, in f FIXME line of source goes here SystemError: 'nil Dict in function' ```