There are quite a couple of problems, some of which are due to bugs in astropy (namely #852550), and others already solved upstream:
https://github.com/astropy/astroplan/pull/273 https://github.com/astropy/astroplan/pull/274 https://github.com/astropy/astroplan/pull/281 https://github.com/astropy/astroplan/files/726302/diff.txt The remaining problems are in test_transitioner, test_priority_scheduler, test_sequential_scheduler: ______________________________ test_transitioner _______________________________ self = <astropy.coordinates.baseframe.TimeFrameAttribute object at 0x7f80365e23c8> instance = <[ValueError("attribute obstime should be scalar or have shape (2, 1), but is has shape (2,) and could not be broadcast.") raised in repr()] AltAz object at 0x7f8032fb2470> frame_cls = <class 'astropy.coordinates.builtin_frames.altaz.AltAz'> def __get__(self, instance, frame_cls=None): [...] if instance is not None: instance_shape = getattr(instance, 'shape', None) if instance_shape is not None and (getattr(out, 'size', 1) > 1 and out.shape != instance_shape): # If the shapes do not match, try broadcasting. try: if isinstance(out, ShapedLikeNDArray): out = out._apply(np_broadcast_to, shape=instance_shape, > subok=True) [...] /usr/lib/python3/dist-packages/numpy/lib/stride_tricks.py:174: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ array = array([ 2457424.5, 2457424.5]), shape = (2, 1), subok = True readonly = True def _broadcast_to(array, shape, subok, readonly): [...] broadcast = np.nditer( (array,), flags=['multi_index', 'refs_ok', 'zerosize_ok'] + extras, > op_flags=[op_flag], itershape=shape, order='C').itviews[0] E ValueError: operands could not be broadcast together with remapped shapes [original->remapped]: (2,) and requested shape (2,1) /usr/lib/python3/dist-packages/numpy/lib/stride_tricks.py:129: ValueError It is unclear (to me) whether this is a problem in astroplan or in astropy.
