im = afwImage.ImageF(10, 20)

ima = im.array

afwImage.ImageF(ima)

afwImage.Image(ima, dtype=ima.dtype)

----> 5 afwImage.Image(ima, dtype=ima.dtype)

/Users/lsst/products/DarwinX86/miniconda/latest/envs/lsst-13_0/var/opt/eups/DarwinX86/utils/13.0-7-gd7d2357/python/lsst/utils/wrappers.pyc in __call__(self, *args, **kwds)

    272         if cls is None:

    273             d = {k: v for k, v in zip(self.TEMPLATE_PARAMS, key)}

--> 274             raise TypeError("No registered subclass for {}.".format(d))

    275         return cls(*args, **kwds)

    276 

TypeError: No registered subclass for {'dtype': dtype('float32')}.